Best Comet of 2025?
C/2024 G3 (ATLAS) has already become very faintly visible to the naked eye for observers in the Southern Hemisphere.
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AM and PM Explained
How does the 12-hour clock system work? Is midnight 12 am or 12 pm?
Tu Bishvat
Tu B'Shevat is the 15th day of the Jewish month of Shevat and is the birthday for trees that bear fruit or nuts.
Daylight Saving Time (DST)
Why do many countries set the clocks back and forth an hour twice a year?