Russia Day
Russia Day, annually celebrated on June 12, marks the beginning of democratic reforms in Russia and is one of the newest holidays in the Russian Federation.
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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?
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?