Daylight saving time is the period between March and November when most Americans set their clocks forward to gain more daylight in the evenings.

While the US is attempting to come up with CLT, researchers from the Purple Mountain Observatory in Nanjing and the ...

As light levels fall in the evening, melatonin rises, preparing the body for sleep.” This suggests that with the right ...

Because the moon has less gravity than Earth does, time passes slightly differently there. This effect was first predicted by ...

Here's when the next time change is, when the official first day of spring is, and a little bit about the origins of Daylight ...