Many Americans have long grown frustrated with the constant time shifts. Here's what to know about the state of daylight saving time.

Daylight saving time occurs between March and November, when most Americans adjust their clocks ahead by one hour.

The graveyard or the third-shift hours of 11 p.m. to 7 a.m., once ... multiple time-zones across countries' borders, the 24-hour work day is taking its hold almost everywhere.