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.

The thrill of endurance racing returns to Florida this Saturday at the 73rd running of the Mobil 1 Twelve Hours of Sebring.

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 ...