diff --git a/app/controllers/account_reset/pending_controller.rb b/app/controllers/account_reset/pending_controller.rb
index 77ca7da3f05..855a6e12452 100644
--- a/app/controllers/account_reset/pending_controller.rb
+++ b/app/controllers/account_reset/pending_controller.rb
@@ -1,6 +1,7 @@
 module AccountReset
   class PendingController < ApplicationController
     include UserAuthenticator
+    include ActionView::Helpers::DateHelper
 
     before_action :authenticate_user
     before_action :confirm_account_reset_request_exists
@@ -10,7 +11,9 @@ def show
       @pending_presenter = AccountReset::PendingPresenter.new(pending_account_reset_request)
     end
 
-    def confirm; end
+    def confirm
+      @account_reset_deletion_period_interval = account_reset_deletion_period_interval
+    end
 
     def cancel
       analytics.pending_account_reset_cancelled
@@ -29,5 +32,16 @@ def pending_account_reset_request
         current_user,
       ).call
     end
+
+    def account_reset_deletion_period_interval
+      current_time = Time.zone.now
+
+      distance_of_time_in_words(
+        current_time,
+        current_time + IdentityConfig.store.account_reset_wait_period_days.days,
+        true,
+        accumulate_on: :hours,
+      )
+    end
   end
 end
diff --git a/app/controllers/account_reset/request_controller.rb b/app/controllers/account_reset/request_controller.rb
index 9c0f9dd3099..afc55e4df98 100644
--- a/app/controllers/account_reset/request_controller.rb
+++ b/app/controllers/account_reset/request_controller.rb
@@ -1,11 +1,13 @@
 module AccountReset
   class RequestController < ApplicationController
     include TwoFactorAuthenticatable
+    include ActionView::Helpers::DateHelper
 
     before_action :confirm_two_factor_enabled
 
     def show
       analytics.account_reset_visit
+      @account_reset_deletion_period_interval = account_reset_deletion_period_interval
     end
 
     def create
@@ -39,5 +41,16 @@ def analytics_attributes
         email_addresses: current_user.email_addresses.count,
       }
     end
+
+    def account_reset_deletion_period_interval
+      current_time = Time.zone.now
+
+      distance_of_time_in_words(
+        current_time,
+        current_time + IdentityConfig.store.account_reset_wait_period_days.days,
+        true,
+        accumulate_on: :hours,
+      )
+    end
   end
 end
diff --git a/app/mailers/user_mailer.rb b/app/mailers/user_mailer.rb
index cc49ebb6a47..486a77e9d5b 100644
--- a/app/mailers/user_mailer.rb
+++ b/app/mailers/user_mailer.rb
@@ -15,6 +15,7 @@
 class UserMailer < ActionMailer::Base
   include Mailable
   include LocaleHelper
+  include ActionView::Helpers::DateHelper
 
   class UserEmailAddressMismatchError < StandardError; end
 
@@ -149,7 +150,11 @@ def personal_key_regenerated
   def account_reset_request(account_reset)
     with_user_locale(user) do
       @token = account_reset&.request_token
-      @header = t('user_mailer.account_reset_request.header')
+      @account_reset_deletion_period_hours = account_reset_deletion_period_hours
+      @header = t(
+        'user_mailer.account_reset_request.header',
+        interval: account_reset_deletion_period_interval,
+      )
       mail(
         to: email_address.email,
         subject: t('user_mailer.account_reset_request.subject', app_name: APP_NAME),
@@ -161,6 +166,8 @@ def account_reset_granted(account_reset)
     with_user_locale(user) do
       @token = account_reset&.request_token
       @granted_token = account_reset&.granted_token
+      @account_reset_deletion_period_hours = account_reset_deletion_period_hours
+      @account_reset_token_valid_period = account_reset_token_valid_period
       mail(
         to: email_address.email,
         subject: t('user_mailer.account_reset_granted.subject', app_name: APP_NAME),
@@ -430,4 +437,30 @@ def email_should_receive_nonessential_notifications?(email)
     modified_email = email.gsub(/\+[^@]+@/, '@')
     !banlist.include?(modified_email)
   end
+
+  def account_reset_deletion_period_interval
+    current_time = Time.zone.now
+
+    distance_of_time_in_words(
+      current_time,
+      current_time + IdentityConfig.store.account_reset_wait_period_days.days,
+      true,
+      accumulate_on: :hours,
+    )
+  end
+
+  def account_reset_deletion_period_hours
+    IdentityConfig.store.account_reset_wait_period_days.days.in_hours.to_i
+  end
+
+  def account_reset_token_valid_period
+    current_time = Time.zone.now
+
+    distance_of_time_in_words(
+      current_time,
+      current_time + IdentityConfig.store.account_reset_token_valid_for_days.days,
+      true,
+      accumulate_on: :hours,
+    )
+  end
 end
diff --git a/app/presenters/account_reset/pending_presenter.rb b/app/presenters/account_reset/pending_presenter.rb
index c93eca3a809..636b7bcd081 100644
--- a/app/presenters/account_reset/pending_presenter.rb
+++ b/app/presenters/account_reset/pending_presenter.rb
@@ -18,5 +18,9 @@ def time_remaining_until_granted(now: Time.zone.now)
         highest_measures: 2,
       )
     end
+
+    def account_reset_deletion_period_hours
+      IdentityConfig.store.account_reset_wait_period_days.days.in_hours.to_i
+    end
   end
 end
diff --git a/app/presenters/two_factor_login_options_presenter.rb b/app/presenters/two_factor_login_options_presenter.rb
index da9b171d195..0d9556a4168 100644
--- a/app/presenters/two_factor_login_options_presenter.rb
+++ b/app/presenters/two_factor_login_options_presenter.rb
@@ -115,7 +115,10 @@ def account_reset_url(locale:)
   def account_reset_cancel_link
     safe_join(
       [
-        t('two_factor_authentication.account_reset.pending'),
+        t(
+          'two_factor_authentication.account_reset.pending',
+          interval: account_reset_deletion_period_interval,
+        ),
         @view.link_to(
           t('two_factor_authentication.account_reset.cancel_link'),
           account_reset_cancel_url(token: account_reset_token),
@@ -140,4 +143,15 @@ def sp_name
       APP_NAME
     end
   end
+
+  def account_reset_deletion_period_interval
+    current_time = Time.zone.now
+
+    view.distance_of_time_in_words(
+      current_time,
+      current_time + IdentityConfig.store.account_reset_wait_period_days.days,
+      true,
+      accumulate_on: :hours,
+    )
+  end
 end
diff --git a/app/services/account_reset/create_request.rb b/app/services/account_reset/create_request.rb
index 7d2dba04e4e..bbe2d05de2b 100644
--- a/app/services/account_reset/create_request.rb
+++ b/app/services/account_reset/create_request.rb
@@ -1,5 +1,7 @@
 module AccountReset
   class CreateRequest
+    include ActionView::Helpers::DateHelper
+
     def initialize(user, requesting_issuer)
       @user = user
       @requesting_issuer = requesting_issuer
@@ -46,11 +48,23 @@ def notify_user_by_sms_if_applicable
       @telephony_response = Telephony.send_account_reset_notice(
         to: phone,
         country_code: Phonelib.parse(phone).country,
+        interval: account_reset_wait_period,
       )
     end
 
     def extra_analytics_attributes
       @telephony_response&.extra&.slice(:request_id, :message_id) || {}
     end
+
+    def account_reset_wait_period
+      current_time = Time.zone.now
+
+      distance_of_time_in_words(
+        current_time,
+        current_time + IdentityConfig.store.account_reset_wait_period_days,
+        true,
+        accumulate_on: :hours,
+      )
+    end
   end
 end
diff --git a/app/views/account_reset/pending/confirm.html.erb b/app/views/account_reset/pending/confirm.html.erb
index b94afed79bc..3c94e90c97c 100644
--- a/app/views/account_reset/pending/confirm.html.erb
+++ b/app/views/account_reset/pending/confirm.html.erb
@@ -1,6 +1,6 @@
 <% self.title = t('account_reset.cancel_request.title') %>
 
-<p><%= t('account_reset.pending.confirm') %></p>
+<p><%= t('account_reset.pending.confirm', interval: @account_reset_deletion_period_interval) %></p>
 
 <%= button_to(
       account_reset_pending_cancel_path,
diff --git a/app/views/account_reset/pending/show.html.erb b/app/views/account_reset/pending/show.html.erb
index 14e2f17e86d..ceb730fe1fc 100644
--- a/app/views/account_reset/pending/show.html.erb
+++ b/app/views/account_reset/pending/show.html.erb
@@ -5,6 +5,7 @@
 <p>
   <%= t(
         'account_reset.pending.wait_html',
+        hours: @pending_presenter.account_reset_deletion_period_hours,
         interval: @pending_presenter.time_remaining_until_granted,
       ) %>
 </p>
diff --git a/app/views/account_reset/request/show.html.erb b/app/views/account_reset/request/show.html.erb
index 58f60653804..9abfd4eab7f 100644
--- a/app/views/account_reset/request/show.html.erb
+++ b/app/views/account_reset/request/show.html.erb
@@ -8,7 +8,7 @@
 
 <h2><%= t('account_reset.request.delete_account') %></h2>
 
-<% t('account_reset.request.delete_account_info').each do |info_p| %>
+<% t('account_reset.request.delete_account_info', interval: @account_reset_deletion_period_interval).each do |info_p| %>
   <p><%= info_p %></p>
 <% end %>
 
diff --git a/app/views/user_mailer/account_reset_granted.html.erb b/app/views/user_mailer/account_reset_granted.html.erb
index d4406c1cec3..70d608be1d9 100644
--- a/app/views/user_mailer/account_reset_granted.html.erb
+++ b/app/views/user_mailer/account_reset_granted.html.erb
@@ -1,5 +1,5 @@
 <p class="lead">
-  <%= t('user_mailer.account_reset_granted.intro_html', app_name: link_to(APP_NAME, IdentityConfig.store.mailer_domain_name, class: 'gray')) %>
+  <%= t('user_mailer.account_reset_granted.intro_html', hours: @account_reset_deletion_period_hours, app_name: link_to(APP_NAME, IdentityConfig.store.mailer_domain_name, class: 'gray')) %>
 </p>
 
 <table class="button expanded large">
@@ -47,7 +47,7 @@
 </table>
 
 <p>
-  <%= t('user_mailer.email_confirmation_instructions.footer', confirmation_period: '24 hours') %>
+  <%= t('user_mailer.email_confirmation_instructions.footer', confirmation_period: @account_reset_token_valid_period) %>
 </p>
 <p>
   <%= t(
diff --git a/app/views/user_mailer/account_reset_request.html.erb b/app/views/user_mailer/account_reset_request.html.erb
index 6a01b4c808e..d486d654efc 100644
--- a/app/views/user_mailer/account_reset_request.html.erb
+++ b/app/views/user_mailer/account_reset_request.html.erb
@@ -1,5 +1,5 @@
 <p class="lead">
-  <%= t('user_mailer.account_reset_request.intro_html', app_name: link_to(APP_NAME, IdentityConfig.store.mailer_domain_name, class: 'gray')) %>
+  <%= t('user_mailer.account_reset_request.intro_html', app_name: link_to(APP_NAME, IdentityConfig.store.mailer_domain_name, class: 'gray'), hours: @account_reset_deletion_period_hours) %>
 </p>
 
 <p class="lead">
diff --git a/config/locales/account_reset/en.yml b/config/locales/account_reset/en.yml
index 39163c283d8..f3fe9cf0d60 100644
--- a/config/locales/account_reset/en.yml
+++ b/config/locales/account_reset/en.yml
@@ -30,10 +30,10 @@ en:
     pending:
       cancel_request: Cancel request
       cancelled: We have cancelled your request to delete your account.
-      confirm: If you cancel now, you must create a new request and wait another 24
-        hours to delete your account.
+      confirm: If you cancel now, you must create a new request and wait another
+        %{interval} to delete your account.
       header: You requested to delete your account
-      wait_html: There is a 24-hour waiting period to delete your account. In
+      wait_html: There is a %{hours}-hour waiting period to delete your account. In
         <strong>%{interval}</strong>, you will receive an email with
         instructions to complete the deletion.
     recovery_options:
@@ -61,8 +61,8 @@ en:
           to your account and you will need to restore each connection.
         - If you continue, you will first receive an email confirmation. As a
           security measure, you will receive another email with the link to
-          continue deleting your account 24 hours after the initial confirmation
-          email arrives.
+          continue deleting your account %{interval} after the initial
+          confirmation email arrives.
       info:
         - If you can’t access your account using the authentication methods you
           set up previously, deleting your account and creating a new one is the
diff --git a/config/locales/account_reset/es.yml b/config/locales/account_reset/es.yml
index 80b4214f4a3..9f8f1dc4317 100644
--- a/config/locales/account_reset/es.yml
+++ b/config/locales/account_reset/es.yml
@@ -31,11 +31,11 @@ es:
     pending:
       cancel_request: Cancelar petición
       cancelled: Hemos cancelado su solicitud para eliminar su cuenta.
-      confirm: Si cancela ahora, debe crear una nueva solicitud y esperar otras 24
-        horas para eliminar su cuenta.
+      confirm: Si cancela ahora, debe crear una nueva solicitud y esperar otras
+        %{interval} para eliminar su cuenta.
       header: Solicitaste eliminar tu cuenta
-      wait_html: Hay un período de espera de 24 horas para eliminar su cuenta. En
-        <strong>%{interval}</strong>, recibirá un correo electrónico con
+      wait_html: Hay un período de espera de %{hours} horas para eliminar su cuenta.
+        En <strong>%{interval}</strong>, recibirá un correo electrónico con
         instrucciones para completar la eliminación.
     recovery_options:
       check_saved_credential: Verifica si tienes una credencial almacenada
@@ -65,8 +65,9 @@ es:
           conexión.
         - Si continúas, tú primero recibirá una confirmación por correo
           electrónico. Como medida de seguridad, lo hará reciba otro correo
-          electrónico con el enlace para seguir eliminando su cuenta las 24
-          horas después del correo electrónico de confirmación inicial llega.
+          electrónico con el enlace para seguir eliminando su cuenta las
+          %{interval} después del correo electrónico de confirmación inicial
+          llega.
       info:
         - Si no puede acceder a su cuenta a través de las opciones de seguridad
           que configuró anteriormente, eliminar la cuenta y crear una nueva es
diff --git a/config/locales/account_reset/fr.yml b/config/locales/account_reset/fr.yml
index 90a29cbe5e0..cd52a50fa08 100644
--- a/config/locales/account_reset/fr.yml
+++ b/config/locales/account_reset/fr.yml
@@ -32,11 +32,11 @@ fr:
       cancel_request: Demande d’annulation
       cancelled: Nous avons annulé votre demande de suppression de votre compte.
       confirm: Si vous annulez maintenant, vous devez créer une nouvelle demande et
-        attendre encore 24 heures pour supprimer votre compte.
+        attendre encore %{interval} pour supprimer votre compte.
       header: Vous avez demandé de supprimer votre compte
-      wait_html: Il y a un délai d’attente de 24 heures pour supprimer votre compte.
-        Dans <strong>%{interval}</strong>, vous recevrez un e-mail avec des
-        instructions pour terminer la suppression.
+      wait_html: Il y a un délai d’attente de %{hours} heures pour supprimer votre
+        compte. Dans <strong>%{interval}</strong>, vous recevrez un e-mail avec
+        des instructions pour terminer la suppression.
     recovery_options:
       check_saved_credential: Vérifiez si vous avez des informations d’identification sauvegardées
       check_webauthn_platform_info: Si vous avez configuré le déverrouillage facial ou
@@ -65,8 +65,8 @@ fr:
           devrez restaurer chaque connexion.
         - Si vous continuez, vous recevra d’abord un email de confirmation. Par
           mesure de sécurité, vous devrez recevoir un autre e-mail avec le lien
-          pour continuer la suppression de votre compte 24 heures après l’email
-          de confirmation initial arrive.
+          pour continuer la suppression de votre compte %{interval} après
+          l’email de confirmation initial arrive.
       info:
         - Si vous ne pouvez pas accéder à votre compte via les options de
           sécurité que vous avez définies auparavant, la suppression de votre
diff --git a/config/locales/telephony/en.yml b/config/locales/telephony/en.yml
index d38ea371145..c8a6b95d05c 100644
--- a/config/locales/telephony/en.yml
+++ b/config/locales/telephony/en.yml
@@ -3,8 +3,8 @@ en:
   telephony:
     account_reset_cancellation_notice: Your request to delete your %{app_name} account has been cancelled.
     account_reset_notice: As requested, your %{app_name} account will be deleted in
-      24 hours. Don't want to delete your account? Sign in to your %{app_name}
-      account to cancel.
+      %{interval}. Don't want to delete your account? Sign in to your
+      %{app_name} account to cancel.
     authentication_otp:
       sms: |-
         %{app_name}: Your one-time code is %{code}. It expires in %{expiration} minutes. Don't share this code with anyone.
diff --git a/config/locales/telephony/es.yml b/config/locales/telephony/es.yml
index 14b60b64948..37a022203a2 100644
--- a/config/locales/telephony/es.yml
+++ b/config/locales/telephony/es.yml
@@ -3,7 +3,7 @@ es:
   telephony:
     account_reset_cancellation_notice: Su solicitud para eliminar su cuenta de %{app_name} ha sido cancelada.
     account_reset_notice: Según lo solicitado, su cuenta %{app_name} se eliminará en
-      24 horas. ¿No quieres eliminar tu cuenta? Inicie sesión en su cuenta
+      %{interval}. ¿No quieres eliminar tu cuenta? Inicie sesión en su cuenta
       %{app_name} para cancelar.
     authentication_otp:
       sms: |-
diff --git a/config/locales/telephony/fr.yml b/config/locales/telephony/fr.yml
index 5e936074fd4..013d8e60358 100644
--- a/config/locales/telephony/fr.yml
+++ b/config/locales/telephony/fr.yml
@@ -3,8 +3,8 @@ fr:
   telephony:
     account_reset_cancellation_notice: Votre demande de suppression de votre compte %{app_name} a été annulée.
     account_reset_notice: Comme demandé, votre compte %{app_name} sera supprimé dans
-      les 24 heures. Vous ne voulez pas supprimer votre compte? Connectez-vous à
-      votre compte %{app_name} pour le annuler.
+      les %{interval}. Vous ne voulez pas supprimer votre compte? Connectez-vous
+      à votre compte %{app_name} pour le annuler.
     authentication_otp:
       sms: |-
         %{app_name}: Votre code à usage unique est %{code}. Il est valable pendant %{expiration} minutes. Vous ne devez pas partager ce code avec personne.
diff --git a/config/locales/two_factor_authentication/en.yml b/config/locales/two_factor_authentication/en.yml
index 58a35387be8..ce76ea169cf 100644
--- a/config/locales/two_factor_authentication/en.yml
+++ b/config/locales/two_factor_authentication/en.yml
@@ -11,7 +11,7 @@ en:
       cancel_link: Cancel your request
       link: deleting your account
       pending: You currently have a pending request to delete your account. It takes
-        24 hours from the time you made the request to complete the process.
+        %{interval} from the time you made the request to complete the process.
         Please check back later.
       successful_cancel: Thank you. Your request to delete your %{app_name} account
         has been cancelled.
diff --git a/config/locales/two_factor_authentication/es.yml b/config/locales/two_factor_authentication/es.yml
index 82c91b63c8c..a2c3917f26f 100644
--- a/config/locales/two_factor_authentication/es.yml
+++ b/config/locales/two_factor_authentication/es.yml
@@ -11,7 +11,7 @@ es:
       cancel_link: Cancelar su solicitud
       link: eliminando su cuenta
       pending: Actualmente tiene una solicitud pendiente para eliminar su cuenta. Se
-        necesitan 24 horas desde el momento en que realizó la solicitud para
+        necesitan %{interval} desde el momento en que realizó la solicitud para
         completar el proceso. Por favor, vuelva más tarde.
       successful_cancel: Gracias. Su solicitud para eliminar su cuenta de %{app_name}
         ha sido cancelada.
diff --git a/config/locales/two_factor_authentication/fr.yml b/config/locales/two_factor_authentication/fr.yml
index 7dce721c210..f6506249522 100644
--- a/config/locales/two_factor_authentication/fr.yml
+++ b/config/locales/two_factor_authentication/fr.yml
@@ -13,7 +13,7 @@ fr:
       cancel_link: Annuler votre demande
       link: supprimer votre compte
       pending: Vous avez actuellement une demande en attente pour supprimer votre
-        compte. Il faut compter 24 heures à partir du moment où vous avez fait
+        compte. Il faut compter %{interval} à partir du moment où vous avez fait
         la demande pour terminer le processus. Veuillez vérifier plus tard.
       successful_cancel: Je vous remercie. Votre demande de suppression de votre
         compte %{app_name} a été annulée.
diff --git a/config/locales/user_mailer/en.yml b/config/locales/user_mailer/en.yml
index aaa84453c1f..cf40ca71f44 100644
--- a/config/locales/user_mailer/en.yml
+++ b/config/locales/user_mailer/en.yml
@@ -20,26 +20,26 @@ en:
       button: Yes, continue deleting
       cancel_link_text: please cancel
       help_html: If you don’t want to delete your account, %{cancel_account_reset_html}.
-      intro_html: Your 24 hour waiting period has ended. Please complete step 2 of the
-        process.<br><br> If you’ve been unable to locate your authentication
-        methods, select “confirm deletion” to delete your %{app_name}
-        account.<br><br> In the future, if you need to access participating
-        government websites who use %{app_name}, you can create a new
-        %{app_name} account using the same email address after your account is
-        deleted.<br><br>
+      intro_html: Your %{hours} hour waiting period has ended. Please complete step 2
+        of the process.<br><br> If you’ve been unable to locate your
+        authentication methods, select “confirm deletion” to delete your
+        %{app_name} account.<br><br> In the future, if you need to access
+        participating government websites who use %{app_name}, you can create a
+        new %{app_name} account using the same email address after your account
+        is deleted.<br><br>
       subject: Delete your %{app_name} account
     account_reset_request:
       cancel: Don’t want to delete your account? Sign in to your %{app_name} account
         to cancel.
-      header: Your account will be deleted in 24 hours
+      header: Your account will be deleted in %{interval}
       intro_html: 'As a security measure, %{app_name} requires a two-step process to
-        delete your account:<br><br> Step One: There is a 24 hour waiting period
-        if you have lost access to your authentication methods and need to
-        delete your account. If you locate your authentication methods, you can
-        sign in to your %{app_name} account to cancel this request.<br><br> Step
-        Two: After your 24 hour waiting period, you will receive an email that
-        will ask you to confirm the deletion of your %{app_name} account. Your
-        account will not be deleted until you confirm.'
+        delete your account:<br><br> Step One: There is a %{hours} hour waiting
+        period if you have lost access to your authentication methods and need
+        to delete your account. If you locate your authentication methods, you
+        can sign in to your %{app_name} account to cancel this request.<br><br>
+        Step Two: After your %{hours} hour waiting period, you will receive an
+        email that will ask you to confirm the deletion of your %{app_name}
+        account. Your account will not be deleted until you confirm.'
       subject: How to delete your %{app_name} account
     account_verified:
       change_password_link: change your password
diff --git a/config/locales/user_mailer/es.yml b/config/locales/user_mailer/es.yml
index 7c63447255d..81426f955b4 100644
--- a/config/locales/user_mailer/es.yml
+++ b/config/locales/user_mailer/es.yml
@@ -22,8 +22,8 @@ es:
       button: Sí, continúa eliminando
       cancel_link_text: por favor cancele
       help_html: Si no desea eliminar su cuenta, %{cancel_account_reset_html}.
-      intro_html: Su período de espera de 24 horas ha finalizado. Complete el paso 2
-        del proceso.<br><br>Si no ha podido localizar sus métodos de
+      intro_html: Su período de espera de %{hours} horas ha finalizado. Complete el
+        paso 2 del proceso.<br><br>Si no ha podido localizar sus métodos de
         autenticación, seleccione “confirmar eliminación” para eliminar su
         cuenta de %{app_name}.<br><br> En el futuro, si necesita acceder a los
         sitios web gubernamentales participantes que utilizan %{app_name}, puede
@@ -33,15 +33,15 @@ es:
     account_reset_request:
       cancel: '¿No quieres eliminar tu cuenta? Inicie sesión en su cuenta %{app_name}
         para cancelar.'
-      header: Su cuenta será eliminada en 24 horas
+      header: Su cuenta será eliminada en %{interval}
       intro_html: 'Como medida de seguridad, %{app_name} requiere un proceso de dos
         pasos para eliminar su cuenta:<br><br> Paso uno: hay un período de
-        espera de 24 horas si ha perdido el acceso a sus métodos de
+        espera de %{hours} horas si ha perdido el acceso a sus métodos de
         autenticación y necesita eliminar su cuenta. Si encuentra sus métodos de
         autenticación, puede iniciar sesión en su cuenta %{app_name} para
         cancelar esta solicitud.<br><br> Paso dos: Después de su período de
-        espera de 24 horas, recibirá un correo electrónico que le pedirá que
-        confirme la eliminación de su cuenta %{app_name}. Su cuenta no se
+        espera de %{hours} horas, recibirá un correo electrónico que le pedirá
+        que confirme la eliminación de su cuenta %{app_name}. Su cuenta no se
         eliminará hasta que confirme.'
       subject: Cómo eliminar su cuenta de %{app_name}
     account_verified:
diff --git a/config/locales/user_mailer/fr.yml b/config/locales/user_mailer/fr.yml
index b0a9337a88a..8b7b7c95872 100644
--- a/config/locales/user_mailer/fr.yml
+++ b/config/locales/user_mailer/fr.yml
@@ -22,28 +22,29 @@ fr:
       cancel_link_text: veuillez annuler
       help_html: Si vous ne souhaitez pas supprimer votre compte,
         %{cancel_account_reset_html}.
-      intro_html: Votre période d’attente de 24 heures est terminée. Veuillez terminer
-        l’étape 2 du processus.<br><br> Si vous ne parvenez pas à localiser vos
-        méthodes d’authentification, sélectionnez “confirmer la suppression”
-        pour supprimer votre compte %{app_name}.<br><br> À l’avenir, si vous
-        devez accéder aux sites Web gouvernementaux participants qui utilisent
-        %{app_name}, vous pouvez créer un nouveau compte %{app_name} en
-        utilisant la même adresse e-mail après la suppression de votre
-        compte.<br><br>
+      intro_html: Votre période d’attente de %{hours} heures est terminée. Veuillez
+        terminer l’étape 2 du processus.<br><br> Si vous ne parvenez pas à
+        localiser vos méthodes d’authentification, sélectionnez “confirmer la
+        suppression” pour supprimer votre compte %{app_name}.<br><br> À
+        l’avenir, si vous devez accéder aux sites Web gouvernementaux
+        participants qui utilisent %{app_name}, vous pouvez créer un nouveau
+        compte %{app_name} en utilisant la même adresse e-mail après la
+        suppression de votre compte.<br><br>
       subject: Supprimer votre compte %{app_name}
     account_reset_request:
       cancel: Vous ne voulez pas supprimer votre compte? Connectez-vous à votre compte
         %{app_name} pour annuler.
-      header: Votre compte sera supprimé dans 24 heures
+      header: Votre compte sera supprimé dans %{interval}
       intro_html: 'Par mesure de sécurité, %{app_name} nécessite un processus en deux
         étapes pour supprimer votre compte: <br> <br> Étape 1: Il y a une
-        période d’attente de 24 heures si vous avez perdu l’accès à vos méthodes
-        d’authentification et devez supprimer votre compte. Si vous trouvez vos
-        méthodes d’authentification, vous pouvez vous connecter à votre compte
-        %{app_name} pour annuler cette demande. <br> <br> Deuxième étape: après
-        votre période d’attente de 24 heures, vous recevrez un e-mail qui vous
-        demandera de confirmer la suppression de votre compte %{app_name}. Votre
-        compte ne sera pas supprimé tant que vous ne l’aurez pas confirmé.'
+        période d’attente de %{hours} heures si vous avez perdu l’accès à vos
+        méthodes d’authentification et devez supprimer votre compte. Si vous
+        trouvez vos méthodes d’authentification, vous pouvez vous connecter à
+        votre compte %{app_name} pour annuler cette demande. <br> <br> Deuxième
+        étape: après votre période d’attente de %{hours} heures, vous recevrez
+        un e-mail qui vous demandera de confirmer la suppression de votre compte
+        %{app_name}. Votre compte ne sera pas supprimé tant que vous ne l’aurez
+        pas confirmé.'
       subject: Comment supprimer votre compte %{app_name}
     account_verified:
       change_password_link: changer votre mot de passe
diff --git a/lib/telephony/alert_sender.rb b/lib/telephony/alert_sender.rb
index 9771a7d5975..b202e5bbfc1 100644
--- a/lib/telephony/alert_sender.rb
+++ b/lib/telephony/alert_sender.rb
@@ -2,8 +2,11 @@ module Telephony
   class AlertSender
     SMS_MAX_LENGTH = 160
 
-    def send_account_reset_notice(to:, country_code:)
-      message = I18n.t('telephony.account_reset_notice', app_name: APP_NAME)
+    def send_account_reset_notice(to:, country_code:, interval:)
+      message = I18n.t(
+        'telephony.account_reset_notice', app_name: APP_NAME,
+                                          interval: interval
+      )
       response = adapter.deliver(message: message, to: to, country_code: country_code)
       log_response(response, context: __method__.to_s.gsub(/^send_/, ''))
       response
@@ -86,4 +89,15 @@ def log_warning(alert, context:)
       )
     end
   end
+
+  def confirmation_period
+    current_time = Time.zone.now
+
+    view.distance_of_time_in_words(
+      current_time,
+      current_time + Devise.confirm_within,
+      true,
+      accumulate_on: :hours,
+    )
+  end
 end
diff --git a/spec/lib/telephony/alert_sender_spec.rb b/spec/lib/telephony/alert_sender_spec.rb
index f13cf648adf..01616c6e797 100644
--- a/spec/lib/telephony/alert_sender_spec.rb
+++ b/spec/lib/telephony/alert_sender_spec.rb
@@ -3,6 +3,7 @@
 RSpec.describe Telephony::AlertSender do
   let(:configured_adapter) { :test }
   let(:recipient) { '+1 (202) 555-5000' }
+  let(:interval) { '24 hours' }
 
   before do
     allow(Telephony.config).to receive(:adapter).and_return(configured_adapter)
@@ -11,12 +12,12 @@
 
   describe 'send_account_reset_notice' do
     it 'sends the correct message' do
-      subject.send_account_reset_notice(to: recipient, country_code: 'US')
+      subject.send_account_reset_notice(to: recipient, country_code: 'US', interval: interval)
 
       last_message = Telephony::Test::Message.messages.last
       expect(last_message.to).to eq(recipient)
       expect(last_message.body).to eq(
-        I18n.t('telephony.account_reset_notice', app_name: APP_NAME),
+        I18n.t('telephony.account_reset_notice', app_name: APP_NAME, interval: interval),
       )
     end
   end
diff --git a/spec/mailers/user_mailer_spec.rb b/spec/mailers/user_mailer_spec.rb
index a49ff10a5d1..730aa2eb257 100644
--- a/spec/mailers/user_mailer_spec.rb
+++ b/spec/mailers/user_mailer_spec.rb
@@ -339,6 +339,8 @@ def expect_email_body_to_have_help_and_contact_links
     end
 
     let(:account_reset) { user.account_reset_request }
+    let(:interval) { '24 hours' }
+    let(:account_reset_deletion_period_hours) { 24 }
 
     it_behaves_like 'a system email'
     it_behaves_like 'an email that respects user email locale preference'
@@ -354,11 +356,19 @@ def expect_email_body_to_have_help_and_contact_links
     it 'renders the body' do
       expect(mail.html_part.body).to have_content(
         strip_tags(
-          t('user_mailer.account_reset_request.intro_html', app_name: APP_NAME),
+          t(
+            'user_mailer.account_reset_request.intro_html', app_name: APP_NAME,
+                                                            interval: interval,
+                                                            hours:
+                                                              account_reset_deletion_period_hours
+          ),
         ),
       )
     end
 
+    it 'renders the footer' do
+    end
+
     it 'does not render the subject in the body' do
       expect(mail.html_part.body).not_to have_content(
         strip_tags(
@@ -370,7 +380,7 @@ def expect_email_body_to_have_help_and_contact_links
     it 'renders the header within the body' do
       expect(mail.html_part.body).to have_content(
         strip_tags(
-          t('user_mailer.account_reset_request.header'),
+          t('user_mailer.account_reset_request.header', interval: interval),
         ),
       )
     end
@@ -381,6 +391,8 @@ def expect_email_body_to_have_help_and_contact_links
       UserMailer.with(user: user, email_address: email_address).
         account_reset_granted(user.account_reset_request)
     end
+    let(:account_reset_deletion_period_hours) { 24 }
+    let(:token_expiration_interval) { '24 hours' }
 
     it_behaves_like 'a system email'
     it_behaves_like 'an email that respects user email locale preference'
@@ -390,13 +402,33 @@ def expect_email_body_to_have_help_and_contact_links
     end
 
     it 'renders the subject' do
-      expect(mail.subject).to eq t('user_mailer.account_reset_granted.subject', app_name: APP_NAME)
+      expect(mail.subject).to eq t(
+        'user_mailer.account_reset_granted.subject', app_name: APP_NAME
+      )
     end
 
     it 'renders the body' do
       expect(mail.html_part.body).to \
         have_content(
-          strip_tags(t('user_mailer.account_reset_granted.intro_html', app_name: APP_NAME)),
+          strip_tags(
+            t(
+              'user_mailer.account_reset_granted.intro_html', app_name: APP_NAME,
+                                                              hours:
+                                                              account_reset_deletion_period_hours
+            ),
+          ),
+        )
+    end
+
+    it 'renders the footer' do
+      expect(mail.html_part.body).to \
+        have_content(
+          strip_tags(
+            t(
+              'user_mailer.email_confirmation_instructions.footer',
+              confirmation_period: token_expiration_interval,
+            ),
+          ),
         )
     end
   end
diff --git a/spec/presenters/two_factor_login_options_presenter_spec.rb b/spec/presenters/two_factor_login_options_presenter_spec.rb
index 79be918a647..14da580896f 100644
--- a/spec/presenters/two_factor_login_options_presenter_spec.rb
+++ b/spec/presenters/two_factor_login_options_presenter_spec.rb
@@ -55,14 +55,12 @@
   end
 
   it 'supplies a cancel link when the token is valid' do
-    allow_any_instance_of(TwoFactorLoginOptionsPresenter).to \
-      receive(:account_reset_token_valid?).and_return(true)
-
-    allow_any_instance_of(TwoFactorLoginOptionsPresenter).to \
-      receive(:account_reset_token).and_return('foo')
+    allow(presenter).to receive(:account_reset_token).and_return('foo')
+    allow(presenter).to receive(:account_reset_token_valid?).and_return(true)
+    allow(presenter).to receive(:confirmation_period).and_return('24 hours')
 
     expect(presenter.account_reset_or_cancel_link).to eq(
-      t('two_factor_authentication.account_reset.pending') + ' ' +
+      t('two_factor_authentication.account_reset.pending', interval: '24 hours') + ' ' +
         view.link_to(
           t('two_factor_authentication.account_reset.cancel_link'),
           account_reset_cancel_url(token: 'foo'),