diff --git a/segments/gcalcli.sh b/segments/gcalcli.sh
index 83025c6d..8e4e5c02 100755
--- a/segments/gcalcli.sh
+++ b/segments/gcalcli.sh
@@ -1,18 +1,18 @@
 # Print next Google Calendar Event
 
-TMUX_POWERLINE_SEG_GCALCLI_MILITARY_TIME_DEFAULT=1
+TMUX_POWERLINE_SEG_GCALCLI_24HR_TIME_FORMAT_DEFAULT=1
 
 generate_segmentrc() {
 	read -d '' rccontents  << EORC
-gcalcli uses military time by default - if you want to see 12 hour time format, set TMUX_POWERLINE_SEG_GCALCLI_MILITARY_TIME_DEFAULT to 0
-export TMUX_POWERLINE_SEG_GCALCLI_MILITARY_TIME="${TMUX_POWERLINE_SEG_GCALCLI_MILITARY_TIME_DEFAULT}"
+# gcalcli uses 24hr time format by default - if you want to see 12hr time format, set TMUX_POWERLINE_SEG_GCALCLI_MILITARY_TIME_DEFAULT to 0
+export TMUX_POWERLINE_SEG_GCALCLI_24HR_TIME_FORMAT="${TMUX_POWERLINE_SEG_GCALCLI_24HR_TIME_FORMAT_DEFAULT}"
 EORC
 	echo "$rccontents"
 }
 
 __process_settings() {
-	if [ -z "$TMUX_POWERLINE_SEG_GCALCLI_MILITARY_TIME" ]; then
-		export TMUX_POWERLINE_SEG_GCALCLI_MILITARY_TIME="${TMUX_POWERLINE_SEG_GCALCLI_MILITARY_TIME_DEFAULT}"
+	if [ -z "$TMUX_POWERLINE_SEG_GCALCLI_24HR_TIME_FORMAT" ]; then
+		export TMUX_POWERLINE_SEG_GCALCLI_24HR_TIME_FORMAT="${TMUX_POWERLINE_SEG_GCALCLI_24HR_TIME_FORMAT_DEFAULT}"
 	fi
 }
 
@@ -24,7 +24,7 @@ run_segment() {
   fi
   __process_settings
   gcmd=(gcalcli agenda)
-  if [[ $TMUX_POWERLINE_SEG_GCALCLI_MILITARY_TIME == 0 ]]; then
+  if [[ $TMUX_POWERLINE_SEG_GCALCLI_24HR_TIME_FORMAT == 0 ]]; then
     gcmd+=(--no-military)
   fi
   "${gcmd[@]}" | head -2 | tail -1 | sed 's/\x1B\[[0-9;]\{1,\}[A-Za-z]//g' | sed -E 's/ +/ /g'