Setting method:
realme UI 2.0 & above versions: Clock App > World clock > Click "+" in the middle
realme UI 1.0: Clock App > Clock > Click "+" in the top right
realme UI R & Go & S & T & U Edition: Clock App > Clock > Click "+" in the middle
World Clock provides a real-time world timetable according to time zone conversion and can calculate the time difference of major cities around the world through the international time comparison table and the world clock. You can click "+" on the world clock page to select different cities, and the clock will calculate the time difference between your time zone and the selected city.
GMT is the English abbreviation of Greenwich Mean Time (Greenwich Mean Time), which is the world standard time. "GMT+number" means the time zone, for example, GMT+05:30 means Greenwich Mean Time + five and a half hours, which is the time zone where India is located.
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