Celebrating Easter together might seem like a simple expression of union, but it can also breathe new life into efforts ...

Purim begins on the evening of March 13, 2025, and concludes at sundown on March 14, 2025.

Why isn’t the date for Easter fixed in the same way as other Christian holidays? Christmas, for example, is always December ...

Because, dear reader, the Ides of March is fast approaching—a cursed day in the Gregorian calendar that brings all the evil ...

A total lunar eclipse will light up the night sky this week, turning the moon a reddish hue. Here's how and when to view it.

Here is what to know about the March 8 global event: ...

This unique alignment between the Hijri (Islamic lunar) calendar and the Gregorian calendar happens only once every 33 years. Eng. Majed Abu Zahra, President of the Jeddah Astronomical Society ...

The purpose is to keep it aligned with the Earth's orbit around the sun. The Gregorian calendar has 365 days in a year, however the Earth's orbit around the sun takes 365.2425 days which is ...

The result: a year consisting of 354 or 355 days. Now compare that with the Gregorian calendar, started in 1582 and in use around much of the world. And it is based on a solar cycle consisting of ...

Also known as the Hijri calendar, the Islamic calendar is based on the cycles of the moon, unlike the more widely used Gregorian calendar, which is based on the sun. The lunar calendar is used ...

This won't happen again until 2028. Easter runs late in 2025 due to the calendar system. On the Gregorian calendar, used by most Christian denominations, Easter typically falls on the first Sunday ...

Forbes contributors publish independent expert analyses and insights. Jamie Carter is an award-winning reporter who covers the night sky.