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World Time and Converters

What is the time difference between different places and time zones?

Read time-related articles

Save this date: 27 October when clocks go back one hour in Europe and UK reverts to GMT .

The UK is currently on British Summer Time (BST). The time difference is one hour ahead of GMT or GMT+1 .

Use digital time tools to find out what is the best time for a catch-up with family and friends, or to schedule a business conference call.

Converters by region
Compare time zones
Converter tool
Compare time in different places
World Clock
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Which countries do not use Daylight Saving Time?

Useful Gadgets

Imagine travelling to a different country, in a different part of the world, and waking up much earlier or later, due to the time zone difference.

Bookmark the Sunrise gadget below and use it in conjunction with the Moon one.

Sunrise/set time
Length of day and night
Moonrise/set time
Up in the sky
Meeting Planner
Across timezones
London time and Big Ben

How much do you know about UK's most famous clock? Take the quiz!

Current Time in the United States

How many time zones does the USA span? Go from EAST TO WEST.

USA timezones
Find out more

For quick reference, the mini-clocks below tell you the time in some of them.

USA Clocks
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Canada Clocks
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Asia Clocks
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Time check before phoning USA

If you know the area code of the person you want to call, use USA Phone Area Lookup to make sure it's not too early or to late to make that call.

Not your traditional time tools...

Nature and Digital Timepieces

The Moon Clock , with timings for regular and Supermoons alike, and a Graeco-Roman Daylight chart, The Horae .

Liquid Timer
Digital Hourglass
Globe Time
Night and Day
Cricket Time
Ground times
The Equinox is gone, the Solstice next

Check exact day and time (in GMT) .

Read about Time

Explore the Articles section , from Lunar Calendars and A Shakespearean Theme to Definitions of Time.


Our creative collection

City Clock
Moving time
Sun Time
Season progress
Moon Time
Current phase
place Fast Find - start by typing GMT Tools - check and bookmark ⏲ Time converter by place 🌎 Time converter by zone ⓘ What is Greenwich Mean Time?