Greenwich Mean Time

Convert and share world time

Did you know?

Europe clocks move to Daylight Saving Time (DST) on Sunday March 26, 2023


GMT - Greenwich Mean Time is the world's observation-based time standard.

GMT / UTC +0
8:39:31 AM

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Clocks and Time Tools

Time Zone ConverterCompare time between cities
World ClockCurrent time around the world
Day and Night World MapInteractive daylight tool

World Time by Hour Difference from Prime Meridian

All Offsets

GMT-1-2-3-4-5-6-7-8-9-10-11-12+1+2+3+4+5+6+7+8+9+10+11+12+13+14

Make time count

HourglassCountdown timer
Meeting PlannerFind best meeting time
Event Time and CountdownSet up an event, share the time

Articles

What is GMT? Clock time at the Royal Observatory in Greenwich
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Prime Meridian Geographical coordinates - latitude and longitude
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AM and PM What time is noon?
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Sun and Moon tools

What is the phase of the Moon?Moon Clock
When does the Sun rise and set?Sunrise and sunset times
When does the Moon rise and set?Moonrise times

More time tools

Date CalculatorHow many days between two dates?
Equinoxes and SolsticesWhere are we in the natural year?
Currency ConverterLook up different currencies

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Daylight Saving Time

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  • Clock change rules

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