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CalcTidy

World clock

The current time in the world’s major cities, updated every second, with your own time on top.

How to use the world clock

  1. Open the page: your local time is shown first.
  2. Scan the cities for their current time and the difference from yours.
  3. Use the time zone converter to plan a meeting at a specific time.

About this tool

A live view of what time it is right now across the world. Each city shows its local time, date and difference from you, so you can tell at a glance whether someone is awake or in the office.

Times come from your device clock and the built-in time zone database, so daylight saving changes are applied automatically.

Frequently asked questions

How accurate is the world clock?

It is as accurate as your device clock, which is normally synchronized over the internet to within a fraction of a second.

Why does the difference change during the year?

Countries switch to daylight saving time on different dates, and some never do, so the gap between two cities can change by an hour for a few weeks each spring and fall.

What time zone is New York in?

Eastern Time: EST (UTC−5) in winter and EDT (UTC−4) in summer.

What time zone is London in?

GMT (UTC+0) in winter and British Summer Time, BST (UTC+1), in summer.