Perseid Shooting Star Alert!
The Perseid meteor shower peaks between August 12 and 14 with up to 110 shooting stars per hour. Find them with our Interactive Meteor Shower Sky Map. more
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How does the 12-hour clock system work? Is midnight 12 am or 12 pm? more
Daylight Saving Time (DST)
Daylight Saving Time (DST) is the practice of setting the clocks forward one hour from standard time during the summer months, and back again in the fall, in order to make better use of natural daylight. more
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