G-Shock setting steps vary by module. Check the module number on the caseback and use that module’s Casio guide. How do I set the time and date on my G-Shock? First identify the module, then follow its controls rather than assuming every model uses the same button sequence.
Identify your module before changing settings
Casio uses different controls across G-Shock models: some use standard buttons, others use screen menus, a rotary switch or a crown. Find the module number printed on the watch’s caseback and open the matching Casio operation guide. The examples below apply only to the listed modules.
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In general, enter Timekeeping Mode or the current-time screen, set the Home City or time zone and daylight-saving-time (DST) option where available, then adjust the date and clock fields and save. The exact controls and available time sources differ by model. A World Time city is not necessarily the Home City that governs the watch’s main display.
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Button-operated models
Module 3547: standard buttons
- From Timekeeping Mode, hold A for at least two seconds until the city code flashes.
- Use B or D to select the Home City.
- Press C to move to the summer-time setting, then press C again to move through the time and date fields.
- When a value flashes, use B or D to change it.
- Press A to finish. The watch exits the setting screen after about two or three minutes without input.
Casio instructs users to configure the Home City before changing the current time and date settings. Follow the module 3547 operation guide for its field order and available choices.
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Modules 3459/3461: standard buttons
- Hold A for about two seconds until “HT” flashes.
- Use D or B to choose the Home City.
- Press C to cycle to the setting you want to change.
- Use D or B to adjust the flashing value.
- Press A to exit.
For these modules, pressing D while the seconds field is selected resets seconds to 00. If the seconds count was 30–59, the reset adds one to the minutes. See Casio’s 3459/3461 operation guide for the model’s available fields and settings.
Module 3553: standard buttons with a different mapping
- From Timekeeping Mode, hold E for at least two seconds.
- Use A or C to change the Home City.
- Press D to select a setting, then use A or C to adjust it.
- Press E twice to finish.
Casio recommends signal adjustment when reception is possible and says to set the Home City before manually changing the date or time. Consult the module 3553 operation guide for its detailed setting sequence.
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Models with a menu, rotary switch or crown
Module 3554: screen menu
- Open the current-time screen and hold A.
- Select SETTING > WATCH SETTINGS > DATE & TIME.
- Choose DATE SETTING or TIME SETTING.
- Use A or D to change values and C to move between fields and commit the selection.
Menu names and actions are specific to module 3554; use Casio’s module 3554 guide if the screen or options differ.
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For this module, hold A and turn the rotary switch to set the time zone. Use C to select the summer-time setting, then press A to exit. Casio warns that selecting the wrong time zone makes World Time Mode displays incorrect. See Casio’s module 5413 time-zone instructions for the available zones and DST choices.
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Module 5502: crown
Pull the crown to the second click to set the Home City, following the module 5502 Home City guide. Do not confuse this with the separate 15-minute adjustment operation: that operation changes Home City location information. Casio describes it in its module 5502 15-minute adjustment guide.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Choose the appropriate time source and DST setting
Manual adjustment is one option, but it is not the only one on every G-Shock. Depending on the model, the watch may support time-signal reception, phone adjustment or GPS adjustment. Use only the method documented for your module; Casio recommends time-signal adjustment for module 3553 when reception is available.
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Where offered, DST choices may include automatic adjustment, always off (standard time) or always on (summer time). The labels and behavior depend on the watch. Set the correct Home City or time zone first, then choose the relevant DST option. If the displayed time is off by a whole hour, check the city/zone and DST setting before changing the minutes manually.
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If the displayed time or date is still wrong
- Wrong hour, correct minutes: verify the Home City or time zone and DST setting.
- World Time looks wrong: check the selected time zone; on module 5413, Casio explicitly notes that a wrong zone makes World Time displays incorrect.
- Settings screen disappears: on module 3547, the watch exits setting after about two or three minutes of inactivity; re-enter the setting process.
- Buttons do not match these steps: stop rather than trying another module’s sequence. Confirm the caseback module number and consult its Casio guide.
- Your model supports automatic adjustment: use the documented signal, phone or GPS procedure if available instead of assuming manual controls are universal.
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