Did you know we spend more than half our lives sleeping and working? I didn’t — not really — until I did the math. It was simple enough that even I couldn’t mess it up. There are 168 hours in a week.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A dad in Virginia ended up turning to social media for help after ...

At 6 A.M. or P.M. (it doesn’t matter which), a clock’s minute hand and hour hand point in opposite directions, forming a straight line across the clockface. When is the next time this will happen?

I own a digital 24-hour clock (i.e., a military time clock) that displays in HH:MM format. Each digit uses the standard seven-segment display in which seven lights toggle on or off to form numbers, as ...