It is a 12-hour clock. The first 12 hours of the day, from midnight to midday, are called am. The next 12 hours, from midday to midnight, are called pm. However, you can tell the time without ...

Previously, [Vinnie] had been stopping the clock every evening, and hoped he would remember to start the pendulum in motion 12 hours later. This was a chore, so he decided to automate the process.

Sadly, for those of us who like a lie-in on a Sunday morning, the clock change in spring meant we got one hour less sleep. Now the spring equinox has passed, we're seeing more than 12 hours of ...

AKASHI, Hyogo Prefecture--A local planetarium damaged in the 1995 Great Hanshin Earthquake will observe its 30th anniversary on Jan. 17 by stopping its turret clock for 12 hours from 5:46 a.m. to ...

Today we can show you [Maarten Tromp]’s latest work in this field: a wall-mounted clock that he’s christened ... inner ring to indicate the twelve hours as well as the “half-hours” in ...