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Watch Comet 46P/Wirtanen!

Watch Comet 46P/Wirtanen!

All of December, this comet will be bright enough to see with the naked eye. Find the comet on our interactive night sky map and see when and where you can see it. more

Commuters and tourists in Canary Wharf, London, United Kingdom.

Daylight Saving Time (DST)

Daylight Saving Time (DST) is the practice of setting the clocks forward 1 hour from standard time during the summer months, and back again in the fall, in order to make better use of natural daylight. more

Calendar with 12 months

12 Months of the Year

The 12 months of the year are linked to the Moon's orbit around Earth. Why are there 12 months? What do the month names mean? more