How Do I Change the Time Zone on My G-Shock Watch?

The Casio G-Shock watch is a multifunctional timepiece that uses a low-frequency radio signal to automatically set the time. The G-Shock is also solar-powered, using direct sunlight or incandescent indoor light converted into energy through solar panels under the dial. Once the time of the Casio G-Shock is set for the home city, there is no need to further set the time. The G-Shock features 30 cities in 29 time zones. The time in each city can be viewed by manipulating the function buttons on the case edge. These times appear automatically once you have set the time for your home city.

Familiarise yourself with the Casio G-Shock watch. Note the function buttons located at the 2, 4, 8 and 10 o’clock positions. Note the four display windows on the dial. At the 6 o’clock position is the display window for the time for the displayed city, according to the official G-Shock website,

Stand clear of any tall buildings and avoid large mountains. Point your Casio G-Shock watch toward Fort Collins, Colorado. Fort Collins is the venue of one of several world time stations with the most accurate worldwide time. If you are in Los Angeles, California, point the watch east toward Colorado. Point it west if you are east of the state. When you are setting your watch, it will receive a radio signal.

Hold down the 10 o’clock button to enter the timekeeping mode. The LED will display “USA.” Press the 4 o’clock button. The city codes for eastern cities will begin flashing. Press the 2 o’clock button to scroll though western cities.

Continue pressing the 4 o'clock or 2 o’clock button until your find your home city. If your city is not displayed, scroll until you find the nearest major city to where you live. For example, if you live in Santa Barbara, California, find “LAX” for Los Angeles. Once “LAX” is located, exit by pressing the 10 o’clock to exit. The time in Los Angeles is automatically set. The time is automatically updated each day during the early morning hours.

Press the 8 o’clock button for the world time mode. This allows you to access any of the 30 cities in 29 time zones.

Press the 10 o’clock button to find a specific city in the 6 o’clock dial display window. The time for the selected city will automatically appear.

Press the 8 o’clock button to exit the mode. Your home city will automatically reappear.

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