The time we now use around the world is called Universal time, or UT. It was formalized a century ago — here's how it works.

A set of 10 stamps to mark the history and achievements of the Royal Observatory, Greenwich, has been released by Royal Mail.

Current local time in Greenwich (Etc/Greenwich timezone). Get information about the Etc/Greenwich time zone. Local time and date, DST adjusted (where ever daylight saving time is applicable) current ...

Longitude, for example, is determined by measuring the difference in time from a set position, knowledge that accelerated early clock development in the 1700s. The Royal Observatory, Greenwich ...

The clocks go forward on Sunday, marking the beginning of British Summer Time (BST). This marks the end of Greenwich Mean Time (GMT) and will mean longer, lighter evenings from next week.

Greenwich is a magnet within it, due to its association with GMT, the world benchmark for time-zones. It was on my mind with the clocks due to change this weekend. The borough town is still ...