London Time, World Times and Time Apps
Online Clocks, Time Apps for Business and Leisure
Time guides in all major cities, states and countries
Greenwich Mean Time
Time at the Shepherd Gate Clock, at the Royal Observatory in Greenwich, UK. GMT stays the same all year round, no DST (Daylight Saving Time) rules apply.
If you know the area code of the person you want to ring, use our new tool to make sure it's not too early or to late to make that call.
What is BST? More than an acronym for British Summer Time .
Tools to help with time zone differences
If you already know the time zone GMT offsets, a much loved older tool is still available on the new GMT converter page.
Current Time in the United States
How many time zones does the USA span? Go from EAST TO WEST .
For quick reference, the mini-clocks below tell you the time in some of them.
GMT offsets and Time Zones come together for you in the CONVERSION TO pages.
Sun Time now indicates onset of Spring. Moon Time animates to current lunar phase.
More timepiece apps:
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.
On holiday it would be useful to know what time the sun rises and sets, even before our biological clock finally adjusts. Bookmark the Sunrise gadget below and use it in conjunction with the Moon one.
If only your ideas travel, as it happens in today's international business, the Meeting Planner will come in handy.