Daylight saving time, affecting North America, is under scrutiny due to recent legislative proposals and public sentiment. People will soon get an extra hour of sleep as clocks move back in November.

There are just four weeks until daylight saving time ends for the year. The twice-annual time changing tradition will pick back up in March.

Earth’s 23.44-degree tilt creates seasons and changes day lengths. Daylight saving time adjusts daylight hours, yet remains debated.