Leap Year in Different Calendars
There are several calendars in use today which apply different rules to determine how often a leap year occurs. Some even add a leap month instead of a leap day.

The Chinese Calendar adds a leap month
The Chinese Calendar adds a leap month, instead of a leap day.
©bigstockphoto.com/Eyematrix
The Gregorian calendar, used by most western countries, adds one extra day, leap day on February 29, nearly every four years.
However, some cultures use calendars that do not apply the same leap year rules as the Gregorian calendar.
The Iranian calendar, for instance, doesn't observe February 29 as a leap day. Other calendars, such the Chinese calendar, add a leap month instead of a leap day.
Leap Years in Different Calendars

Create Calendar With Holidays

Alternative Leap Years
- Bahá'í Calendar Leap Year
- Chinese Calendar Leap Year
- Ethiopian Calendar Leap Year
- Hindu Calendar Leap Year
- Persian Calendar Leap Year
- Islamic Calendar Leap Year
- Jewish Calendar Leap Year
- Buddhist Calendar Leap Year
Leap Years in Other Calendars
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