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Sam's Digital Instruments

Flip Clock & World Clock

Quickly check the time in another city before you call or message someone, without installing an app or searching each time zone separately.

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The main clock reads the time directly from your device — phone, tablet, or computer — so it stays accurate without needing an internet connection once the page has loaded. Switch between 12-hour and 24-hour display with the toggle above the clock; 12-hour mode adds an AM/PM indicator next to the seconds.

The world clock row underneath is useful for scheduling a call or checking whether it's a reasonable hour to message someone in another time zone. Add any city from the dropdown to keep a running comparison against your local time — the hour difference is shown under each card, so you don't have to do the math yourself.

Does the clock use my local time?

Yes — it reads the time directly from your device's system clock, so it's accurate as long as your device's clock is set correctly.

Can I compare multiple time zones at once?

Yes. The world clock row shows several cities by default, and you can add any city from the dropdown to keep comparing its time against yours.

Does it switch between 12-hour and 24-hour format?

Yes, using the 24H/12H toggle above the clock. 12-hour mode adds an AM/PM indicator automatically.