Samsung World Clock: Dual Clock and Travel Settings
Samsung phones can show several cities in the Clock app’s World clock, while the Lock screen’s roaming Dual clock can display local time alongside a chosen home time zone. Add cities in World clock for a flexible list; turn on roaming Dual clock when you want two time zones on the screen as you travel.
World clock and Dual clock: what is the difference?
These features solve related but different problems. World clock is a list of city clocks inside Samsung’s Clock app. It is useful for checking times in several places, such as home, a client’s city, and a planned destination. Dual clock is a display option that can put two clocks—typically local time and a selected home location—on the Lock screen when the phone is roaming.
Names and paths can vary slightly by One UI version, carrier, and device. On many Galaxy phones, open Clock and choose World clock from the bottom navigation. For the roaming display, look under Settings > Lock screen and AOD or Settings > Lock screen for Roaming clock or Dual clock. If the exact label is not present, search Settings for “roaming clock” or “dual clock.”
Add and manage cities in World clock
- Open the Clock app and tap World clock.
- Tap the + or add-city button.
- Search for a city, then select it. The app adds that city’s current time to your list.
- Repeat for other locations. Tap a city to view its time details; use the app’s edit or menu controls to remove or rearrange entries where available.
Choose a representative city in the relevant time zone rather than relying only on a country name. Countries can span several zones, and some regions use different daylight-saving rules. For example, if you need to coordinate with colleagues in New York, select New York rather than assuming that another U.S. city has the same time.
World clock is a reference list; adding a city does not change the phone’s system time or automatically set an alarm for that location. An alarm generally follows the phone’s current time and alarm settings. Check the alarm screen after changing time zones if the timing matters.
Set up the roaming Dual clock
On supported Galaxy models, the roaming clock feature is designed to show two time zones on the Lock screen while the device is roaming. A typical setup is:
- Open Settings, then go to Lock screen and AOD or Lock screen.
- Find and enable Roaming clock or Dual clock.
- Choose the home time zone or home city if prompted. On some versions, appearance or clock-style choices are available in the same area.
- Lock the phone and check the Lock screen. Confirm that the home and local times are clearly identified.
Samsung’s wording and available controls differ between software versions. Some phones expose the roaming option only after a SIM or network-roaming state is detected; others may not offer the same Lock screen feature. If it is missing, World clock remains a practical alternative, and a clock widget may provide a home-time display on the Home screen. Widgets and Lock screen customization vary by model and software.
How time zones and travel settings work
The phone’s main clock normally follows its system time zone. Depending on the device and network, it can update the time and zone automatically using network-provided information. In Settings, look under General management > Date and time for options such as Automatic date and time and Automatic time zone; exact labels and availability vary.
Automatic time zone is convenient when crossing borders, but the phone must receive suitable network or location information. Airplane mode, limited connectivity, SIM restrictions, or incorrect network data can delay or prevent an update. If the displayed local time is wrong, check the automatic date/time and time-zone settings, confirm the selected zone, and restart the phone or reconnect to the network if needed.
For a trip, decide which time you need to keep track of. If you want the phone’s everyday time to follow your destination, leave automatic time settings enabled when they work correctly. If you must preserve a particular reference time, verify the home zone and use World clock or Dual clock rather than assuming the Lock screen will keep home time by itself. Avoid changing the system time manually without checking alarms, calendar events, and scheduled reminders.
Daylight saving, city choices, and common problems
A time-zone clock is not simply a fixed number of hours from home all year. Daylight-saving changes happen on different dates in different places, and some locations do not observe them. A phone using current time-zone rules should account for those changes, but a manually selected offset may not. Select a city or named time zone where possible, and keep software and time-zone data current through normal system updates.
- World clock shows the wrong city time: Check that the city is the intended location and that the phone’s date and time are correct. Compare against a reliable current time source if the result seems inconsistent.
- Dual clock does not appear: Check the Lock screen settings and search for “roaming clock.” Confirm whether the feature requires roaming on that model, then test the Lock screen after the phone has registered on the destination network.
- Only one clock is visible: The feature may be disabled, unsupported, or displayed only under its roaming condition. Use World clock or a suitable clock widget as a fallback.
- Times differ by an unexpected hour: Check daylight-saving status and automatic time-zone settings. Do not assume every city in a region shares the same seasonal clock change.
A common misconception is that Dual clock and World clock are interchangeable. World clock is an in-app list; Dual clock is a particular on-screen presentation tied to Lock screen and roaming behavior. Adding a city to World clock does not necessarily add it to Dual clock.
Frequently Asked Questions
How do I add another time zone on a Samsung phone?
Open Clock, go to World clock, tap the add button, search for a city, and select it. Repeat for each location you want to track.
How do I show home and local time on my Samsung Lock screen?
Look in Settings under Lock screen or Lock screen and AOD for Roaming clock or Dual clock. Enable it and choose a home zone if prompted. Availability and labels depend on the model and software.
Does Samsung Dual clock work only when traveling?
The roaming Dual clock is intended to show a second, home-time reference while roaming. Its behavior can depend on the phone, software, and network state; World clock can be checked regardless of roaming.
Will adding a city change my Samsung phone’s time?
No. Adding a city to World clock adds a reference clock; it does not change the device’s system time zone.
Why is my Samsung phone showing the wrong time after travel?
Check Date and time settings for automatic time and time-zone options, then confirm the selected zone and network connection. If the phone cannot update automatically, select the correct time zone manually and verify alarms and calendar entries.
Can I keep home time while the phone shows local time?
Use the roaming Dual clock if supported, or keep the home city in World clock. The system clock may still switch to local time when automatic time-zone updates are enabled.
Related
Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.