Each Islamic month lasts either 29 or 30 days, depending on the moon’s visibility. Consequently, a lunar year is ...

Due to the complexities of the various types of calendars, the date of Easter can be as early as March 22 and as late as April 25. Here's why.

The Gregorian calendar, instituted by Pope Gregory XIII ... matter for thousands of years because of the intricacies of ...

In the Gregorian calendar, it is always observed on a Sunday between ... Easter’s date changes because it is based on the ...

The other day I asked a friend where he would be during Jyeshtha? He looked at me uncomprehending, and finally expostulated: ...

The Eastern Orthodox and Roman Catholic observances overlap only every three to four years thanks to different church calendars — and different lunar cycle calculations.

Eastern and Western churches will celebrate Easter on the same day this year, while marking 1,700 years since the Council of ...

In the Gregorian calendar ... Easter’s date changes because it is based on the lunar calendar, much like Lunar New Year. According to The Old Farmer’s Almanac, Easter Sunday always falls ...