show tz in info

src/main.sh

@@ -551,9 +551,10 @@ selection=$(
       --delimiter='|' \
       --with-nth='{4}' \
       --accept-nth=1,2 \
-      --no-info \
       --ansi \
       --no-scrollbar \
+      --info=right \
+      --info-command='printf "Timezone: ${TZ:-as system} ($(date +"%Z"))"' \
       --preview-window=up,7,border-bottom \
       --preview="$0 --preview-week {}" \
       --expect="ctrl-n" \