Clocks with four hands typically have an additional hand called a "GMT hand" or "GMT hand" that indicates a second time zone, usually Greenwich Mean Time (GMT). This feature is commonly found in pilot watches or watches designed for frequent travelers. The GMT hand allows the wearer to easily track time in two different time zones simultaneously, making it a useful tool for those who frequently travel or communicate across different time zones.
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And the 'Second hand' is the 'Third hand'.
Hand 1 ; Hour
Hand 2 ' minutes
hand 3 ' seconds
Hand 4 ; Alarm set or Moon phase indicator.
All of the hands of a normal analog clock move in the "clockwise" direction.
Twenty four hour clock or Military clock
obtuse
30 degrees
15°