A world timerWorld Time Complication A world timer is a complication that displays the time in multiple time zones simultaneously. It typically includes a rotating bezel or a dial with city names or time zones printed on it and a 24-hour hand or a subdial that can be adjusted to indicate the time in a different time zone. The user can rotate the bezel or use the crown to align the city or time zone they want to read with the current time on the watch's main dial, it allows the user to know the time in different time zones at a glance. Some world timers have a day/night indicator which helps to know if the time shown is during the day or night at the selected time zone. [Learn More] is a complication that displays the time in multiple time zones simultaneously. It typically includes a rotating bezel or a dial with city names or time zones printed on it and a 24-hour hand or a subdial that can be adjusted to indicate the time in a different time zone. The user can rotate the bezel or use the crownCrown The knob on the outside of the watch that you typically use to either wind the mainspring or set the time [Learn More] to align the city or time zone they want to read with the current time on the watch’s main dial, it allows the user to know the time in different time zones at a glance. Some world timers have a day/night indicator which helps to know if the time shown is during the day or night at the selected time zone.