Leap week calendar week calendars would synchronize with the Gregorian every 400 years Note that the new years of the calendars shown need not be synchronised. The years according to ISO week date applied to months, i.e. a month has as many weeks as it has Thursdays, are shown depending on the weekday of 1 January, shaded weeks belong to the month they are labeled with in regular years and to the other adjoining one in leap years. Leap week calendar A leap week calendar is a calendar system with a whole number of weeks every year, and with every year starting on
Days of week on Hebrew calendar and dates during Adar (or Adar I and II, in leap years) can each fall on one of four days of the week. <nowiki>*</nowiki>Postponed to not fall on Shabbat With each gate, some unusual effects occur. "Update when Purim comes around during the year with the next occurrence of either gate." Days of week on Hebrew calendar The modern Hebrew calendar has been designed to ensure that certain holy days and festivals do not fall on certain days of the week. As a result, there are only four possible patterns of days on which festivals can fall. (Note that Jewish