Allows seeing two time zones at once. Either can be for "watch Time, or any time zone (including half time zones)
On the main display, the date is always local for the watch, but there is s second layout where there is the date for each timezone.
All fields are configurable, as are colors. There's only one data field, but it has 20+ options! Here you see -5 - that's the offset from UTC. If nothing is shown, as with the top time, that's watch time. "utc" will be displayed for a 0 offset.
https://apps.garmin.com/en-US/apps/c...3-aed1f0357bf3