Scroll down until you’ve come across Short time and Long time. In each, if you want to change things to the 24-hour clock, be sure the option with the 0 at the beginning. For us old-school ...

That’s right, starting Sunday, clocks will be an hour earlier to mark the end of daylight saving time. Officially, clocks ...

The brain has a master clock that is set by exposure to sunlight and darkness. This circadian rhythm is a roughly 24-hour cycle that determines when we become sleepy and when we’re more alert.