Atomic clocks are the basis upon which a second is defined. But there is a new kid on the block, the optical clock, which ...

A more precise definition of the second is crucial to all sorts of physical measurements – but to get there, scientists have ...

Clocks in Ireland will spring forward by one hour this weekend, marking the start of Daylight Saving Time and bringing longer ...

In Ireland, the clocks 'spring forward' by one hour at 1am on the last Sunday of March (30 March, 2025). The clocks will then 'fall back' on the last Sunday of October (26 October, 2025).

CHICAGO - While meteorological spring began on March 1, the start of astronomical spring depends on Earth’s position relative to the sun. This year, spring officially begins on March 20 at 4:01 ...

A range of items, including a historic clock dating back to 1757, is set to be auctioned in Cockermouth later this month.

The third day of the sale, Friday, March 28, will include textiles, table boxes, wall clocks, barometers and mirrors, furniture, longcase clocks including the Gandy astronomical clock, dining ...

An easy way to change your sleeping habits is to keep your phone plugged in away from your bed at night and use a traditional alarm clock instead. Alarm clocks have come a long way from just ...

Located in the Old Town Square, the Prague Astronomical Clock has been around since the 15th century, though it has required repairs many times over its history. This clock doesn't display the ...

Daylight saving times are about to change at the end of the month but when? And why do the clocks go back at 1am? Here's all the seasonal answers you need. Winter feels like it's never-ending and ...

But as we bid farewell to a long, cold winter and welcome spring, many are starting to wonder when the next significant seasonal shift will take place - the clocks going forward and the start of ...