New Year's Day
Russians celebrate New Year’s Day in accordance with the Gregorian calendar on January 1.
Elsewhere on timeanddate.com
Orthodox Christmas Day
Many Russians celebrate Christmas Day on January 7 in the Gregorian calendar, which corresponds to December 25 in the Julian calendar.
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?