Home of Interactive Time Gadgets

Upcoming clock changes

DST ends on Sunday 25 October, EU and UK clocks go back one hour to Standard Time

For Practical Time Users

Time converter My time vs your time

World Clock Time now somewhere in the world

Curious Minds

What is GMT? Time zone and clock time

Saturn Time When is your Saturn return?

Gen Z or X? Find your generation

Sun Time Equinoxes and Solstices

Day and Night Diary

World Cities - vertical time Watch day turning into night

What is the current moon phase? Real-time lunar phase

Meeting Planner Choose best slot for everyone

Sharing an event time? You only need two words

Share time Greenwich Word Time

After reading about analogue clock-reading being in danger of drying up, we made a toy to help digital natives learn this skill.

Baby Time Move my digital hands

Birth Chart tool has been revamped — feedback welcome.

GMT Time now

GMT ›

21:48:33

Oct 19, 2026 UTC

Daylight Saving Time (DST)

USA and Canada clocks are on Daylight Saving. DST started on 8 March

UK and European Union clocks are on Daylight Saving. DST started on 29 March

Daylight Diary - Greenwich, London

Today's daylight (between sunrise and sunset) lasts 10 hours, 26 minutes.

Time in the Sky - quick links

Dates and Calendars - quick links

Meridian Tools

The Prime Meridian Longitude 0

A globe with the prime meridian marked with a red line

AM and PM What time is noon?

Time guides

Clocks, Calendars, Viewpoints and Stories

How many hours between GMT and a USA time zone?

GMT-Eastern • GMT-Central • GMT-Mountain • GMT-Pacific • GMT-Hawaii • GMT-Alaska

Compare GMT with European time zones

Western • Central • Eastern European