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
Christian observances of Jewish holidays the week). However, Karaite Jews celebrate this holy day according to Scriptural mandate on the day after the Sabbath. This Sunday celebration, in Christian tradition, is calculated as 50 days after Easter (inclusive of Easter Day). In other words, it falls on the eighth Sunday, counting Easter Day. Pentecost celebrates the birth of the Church, when thousands of Jews were in Jerusalem to celebrate Shavuot, and heard Peter and the disciples speaking in their own language. However, Shavuot is one of the Three Pilgrimage Festivals laid out for the Torah observant Jews, which was the reason for the huge gathering