Replace the UtcDate class with DateUtil method calls.

app/src/main/java/org/wikipedia/feed/aggregated/AggregatedFeedContentClient.kt

@@ -135,7 +135,7 @@ class AggregatedFeedContentClient {
 
         private fun requestAggregated() {
             aggregatedClient.clientJob?.cancel()
-            val date = DateUtil.getUtcRequestDateFor(age)
+            val (year, month, day) = DateUtil.getYearMonthAndDayForAge(age)
             aggregatedClient.clientJob = coroutineScope.launch(
                 CoroutineExceptionHandler { _, caught ->
                     L.v(caught)
@@ -146,7 +146,7 @@ class AggregatedFeedContentClient {
                 val deferredResponses = WikipediaApp.instance.languageState.appLanguageCodes.map { langCode ->
                     async {
                         val wikiSite = WikiSite.forLanguageCode(langCode)
-                        val feedContentResponse = ServiceFactory.getRest(wikiSite).getFeedFeatured(date.year, date.month, date.day, langCode)
+                        val feedContentResponse = ServiceFactory.getRest(wikiSite).getFeedFeatured(year, month, day, langCode)
 
                         feedContentResponse.randomOnThisDayEvent = feedContentResponse.onthisday?.random()
 

app/src/main/java/org/wikipedia/feed/news/NewsCard.kt

@@ -3,10 +3,9 @@ package org.wikipedia.feed.news
 import org.wikipedia.R
 import org.wikipedia.dataclient.WikiSite
 import org.wikipedia.feed.model.CardType
-import org.wikipedia.feed.model.UtcDate
 import org.wikipedia.feed.model.WikiSiteCard
+import org.wikipedia.util.DateUtil
 import org.wikipedia.util.L10nUtil
-import java.util.concurrent.TimeUnit
 
 class NewsCard(private val news: List<NewsItem>,
                private val age: Int,
@@ -21,11 +20,7 @@ class NewsCard(private val news: List<NewsItem>,
     }
 
     override fun dismissHashCode(): Int {
-        return TimeUnit.MILLISECONDS.toDays(date().baseCalendar.time.time).toInt() + wikiSite().hashCode()
-    }
-
-    fun date(): UtcDate {
-        return UtcDate(age)
+        return DateUtil.getRequestDateForAge(age).toEpochDay().toInt() + wikiSite().hashCode()
     }
 
     fun news(): List<NewsItem> {

app/src/main/java/org/wikipedia/util/DateUtil.kt

@@ -8,7 +8,6 @@ import org.wikipedia.R
 import org.wikipedia.WikipediaApp
 import org.wikipedia.extensions.getResources
 import org.wikipedia.extensions.getString
-import org.wikipedia.feed.model.UtcDate
 import java.text.SimpleDateFormat
 import java.time.Instant
 import java.time.LocalDate
@@ -48,7 +47,7 @@ object DateUtil {
     }
 
     fun getFeedCardDateString(age: Int): String {
-        return getShortDateString(UtcDate(age).baseCalendar.time)
+        return getShortDateString(getRequestDateForAge(age))
     }
 
     fun getFeedCardShortDateString(date: Calendar): String {
@@ -157,8 +156,12 @@ object DateUtil {
         return DateTimeFormatter.ofLocalizedDate(FormatStyle.MEDIUM).format(localDate)
     }
 
-    fun getUtcRequestDateFor(age: Int): UtcDate {
-        return UtcDate(age)
+    fun getRequestDateForAge(age: Int): LocalDate {
+        return LocalDate.now().minusDays(age.toLong())
+    }
+
+    fun getYearMonthAndDayForAge(age: Int): List<String> {
+        return getRequestDateForAge(age).toString().split("-")
     }
 
     fun getDefaultDateFor(age: Int): Calendar {

app/src/main/java/org/wikipedia/widgets/WidgetFeaturedPageWorker.kt

@@ -22,10 +22,10 @@ class WidgetFeaturedPageWorker(
         return try {
             val app = WikipediaApp.instance
             val mainPageTitle = PageTitle(MainPageNameData.valueFor(app.appOrSystemLanguageCode), app.wikiSite)
-            val date = DateUtil.getUtcRequestDateFor(0)
+            val (year, month, day) = DateUtil.getYearMonthAndDayForAge(0)
 
             val result = ServiceFactory.getRest(app.wikiSite)
-                .getFeedFeatured(date.year, date.month, date.day, app.wikiSite.languageCode)
+                .getFeedFeatured(year, month, day, app.wikiSite.languageCode)
 
             // TODO: don't use PageSummary.
             val summary = if (result.tfa != null) {