The Romans added January and February to the calendar but ran into a problem — math and superstition. Here's why February became the odd month out.

The Muslim holiday of Ramadan starts tonight, Feb. 28, and lasts until March 29. The monthlong observance of Ramadan is a period of introspection, communal prayer and reading the Qurʾān. According to ...

Marking the first new moon of the lunar calendar, it falls on January 29 in 2025, kicking off the 15-day Spring Festival ... which falls on January 28 this year. The menu is carefully chosen ...

As it is based on the lunar calendar, the Islamic calendar only has 354-355 days, due to the fact that a lunar cycle typically lasts for 29 or 30 days rather than the 30 or 31 days per month used ...

The month of Ramadan is expected to begin on either Feb. 28 or ... Because lunar cycles are shorter than the solar year, Ramadan shifts by about 10 to 11 days on the Gregorian calendar each ...