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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Seollal
Lunar New Year is the first day of the Chinese calendar, which is a lunisolar calendar mainly used for traditional celebrations.
AM and PM Explained
How does the 12-hour clock system work? Is midnight 12 am or 12 pm?
Daylight Saving Time (DST)
Why do many countries set the clocks back and forth an hour twice a year?