Language/Multiple-languages/Culture/Calendars-and-Clocks

This is a list of calendar and timekeeping around the world.

Calendar

name	region	description
Gregorian calendar	world	365 or 366 days in a year days for months: 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 1 leap day every 4 years, except when the year is divisible by 100 and not divisible by 400; the leap day is placed in the second month
Chinese calendar	China	12 or 13 months in a year 29 or 30 days in a month, determined by the moon phase; New Moon is the first day of a month The month with winter solstice is the first month 7 leap months every 19 years; Leap month is the first month without a solar term of an even number

Timekeeping

name	region	description
common timekeeping	world	1 day is divided by 12 units ‘hour’ evenly 1 hour is divided by 60 units ‘minute’ evenly 1 minute is divided by 60 units ‘second’ evenly
Chinese timekeeping	China	1 day is divided by 12 units ‘時’ evenly 1 時 is divided into 2 parts: ‘初’, ‘正’ Every 初 and 正 is divided by 4 units ‘刻’ evenly