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Chinese Calendar Has Leap Months

While our modern Gregorian calendar adds only one leap day on February 29 nearly every four years, the Chinese add a whole leap month approximately every three years.

Illustration image

The Chinese Calendar has leap months.

The Chinese Calendar has a leap month added about every three years.

©iStockphoto.com/StevieS

The name of a leap month is the same as the previous lunar month. The leap month’s place in the Chinese calendar varies.

When Is the Leap Month?

Approximately every three years (7 times in 19 years), a leap month is added to the Chinese calendar. To determine when, find the number of new moons between the 11th month in one year and the 11th month in the following year.

A leap month is inserted if there are 13 New Moons from the start of the 11th month in the first year to the start of the 11th month in the next year.

The Chinese calendar uses a solar term system that has 12 principal terms to indicate when the Sun's longitudes is a multiple of 30 degrees. Unlike all other months, the leap month does not contain a principal term (Zhongqi).

Topics: Leap Year, Calendar, Seasons

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Alternative Leap Years

  1. Bahá'í Calendar Leap Year
  2. Chinese Calendar Leap Year
  3. Ethiopian Calendar Leap Year
  4. Hindu Calendar Leap Year
  5. Persian Calendar Leap Year
  6. Islamic Calendar Leap Year
  7. Jewish Calendar Leap Year
  8. Buddhist Calendar Leap Year

Leap Years in Other Calendars

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