The intercalary month or epagomenal days of the ancient Egyptian, Coptic, and Ethiopian calendars are a period of five days in common years and six days...

insert a 13th "intercalary" or "leap" month or "embolismic" month every second or third year. Whether to insert an intercalary month in a given year...

each, plus an intercalary month of five epagomenal days treated as outside of the year proper. Each season was divided into four months of 30 days. These...

on the Egyptian days. Tycho Brahe days – Days judged to be especially unlucky Intercalary month (Egypt) – Calendar day outside any regular month in ancient...

an intercalary month was to be inserted. On average, this happened in alternate years. The system of aligning the year through intercalary months broke...

calendar Babylonian calendar Iranian calendars Hebrew calendar Intercalary month (Egypt) Drower, Ethel Stefana. The Mandaeans of Iraq and Iran. Oxford...

Maysan Governorate, Iraq on 17 March 2019: Mandaean calendar Intercalary month (Egypt) Dehwa Rabba Aldihisi, Sabah (2008). The story of creation in the...

in the middle of the month, after which the whole month took its name. When an intercalary month was needed, a third Litha month was inserted in mid-summer...

previous Roman calendar consisted of 12 months, for a total of 355 days. In addition, a 27- or 28-day intercalary month, the Mensis Intercalaris, was sometimes...

as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) compared...