What is this tag about?
Issues related to time zones are covered by it. This might be about auto-adjusting the date-and-time while traveling, or your clock permanently being one hour off as your device thinks you're in the neighbor-timezone.
- alarm: alarms in the sense of "alarm clock"
- clock: clock related issues -- whith "Clock" iin the sense of "displaying the current time"
- date-and-time: issues with date/time formats, adjusting time, time sync, daylight saving