World Times and Time Tools

Online Clocks, Time Apps for Business and Leisure

Time guides in all major cities, states and countries

What next after the Equinox?

Next in line is the Solstice. Check Sunrise and Sunset Times to see how day and night lengths change after being quite equal at the equinox.

Greenwich Mean Time

Greenwich Mean Time (GMT) is time at the Shepherd Gate Clock, at the Royal Observatory in Greenwich, UK. GMT stays the same all year round, no Daylight Saving Time ( DST ) rules apply.

London time is now BST (British Summer Time) or GMT+1. What is GMT ?

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.

Time check before phoning USA

If you know the area code of the person you want to ring, use this tool to make sure it's not too early or to late to make that call.

A Very British Summer

What is BST? More than an acronym for British Summer Time .

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.

Our World Clock and Timepiece Apps give you instant answers to time queries.

GMT offsets and Time Zones come together for you in the CONVERSION TO pages.

More timepiece apps:

Time Calculation

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.