Every feature you definitely need to set the time: GMT, moon phase, high/low tide, sunrise/sunset, ±accuracy vs. atomic time, an audible countdown to the 60-second mark … and much more.
GMT
Tone
Set
Monday, October 5
AMPM11:3400.9
UTC GMT +00:00
5d to new
23:34:00
UTC
2026
Common
L123
Cycle
…
Accuracy
Face
24-hour time
Seconds display
Hundredths when available
Deadbeat seconds (quartz tick)
Complications
Sunrise / sunset
Tides (NOAA, US)
Minute repeater
Equation of time
Sidereal time
Clock color scheme
Match the clock to your watches
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