June 22 marks the 350th anniversary of the Royal Observatory Greenwich, the home of the historic Prime Meridian and considered by many to be the birthplace of modern astronomy. To celebrate, we're ...

The Royal Observatory Greenwich celebrates its 350th anniversary today. Founded by King Charles II on June 22, 1675, the observatory was tasked with solving "the longitude problem," the lack of ...

Get information about the Greenwich Mean Time time zone. Local time and date, DST adjusted (where ever daylight saving time is applicable) current time in all cities/countries belonging to Time zone.

I recently spent a week on London with my family. On August 25, we boarded a boat ride down the River Thames to Greenwich, home of the Royal Observatory. The Royal Observatory is where that imaginary, ...

It's that time of year again when the clocks go forward in the UK. On 30 March, clocks will go forward by one hour, as we change from Greenwich Mean Time (GMT) to British Summer Time (BST).

Greenwich Mean Time wouldn’t become legally mandated until 1880, apparently because folks kept showing up late to court and blaming their local time zone for the discrepancy. But accurate clocks ...

Greenwich Mean Time. Greenwich Mean Time (GMT) is a time scale based on the apparent motion of the “mean” Sun with respect to the meridian through the Old Greenwich Observatory (0° longitude).

The Royal Observatory was chosen as the marking place for measurements of time and location in ways that are still visible today. The Prime Meridian, zero degrees longitude, is marked by a metal ...

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. But ...

Greenwich won overwhelmingly, as the United States already considered it the location and Greenwich was used extensively for sea navigation. Greenwich Mean Time was "zero hour" for setting clocks ...

Anyone who has ever stood on the Prime Meridian line at the Royal Observatory at Greenwich in London holding a compass will know that True North and Magnetic North do not align.

It's that time of year again when the clocks go forward in the UK. On 30 March, clocks will go forward by one hour, as we change from Greenwich Mean Time (GMT) to British Summer Time (BST). The ...