Julian, Coptic and Ethiopian calendars::Leap year
Calendar::years February::month First::title Citation::which Common::hebrew Every::before
Julian, Coptic and Ethiopian calendars From AD 8 the Julian calendar received an extra day added to February in years that are multiples of 4.
This rule gives an average year length of 365.25 days. However, it is 11 minutes longer than a tropical year. This means that the vernal equinox moves a day earlier in the calendar about every 131 years.
Leap year sections
Intro Gregorian calendar Julian, Coptic and Ethiopian calendars Revised Julian calendar Chinese calendar Islamic calendar Hindu calendar Solar Hejri calendar Folk traditions Birthdays See also References External links
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