As Iranians celebrate the Persian New Year, explore the fascinating calendars still used around the world—shaped by sun, moon ...

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 ...

the majority of whom follow the Gregorian calendar. For Muslims, the Islamic calendar, also called the Hijri calendar, holds religious significance and was the main calendar of day-to-day life ...

The UAE public holiday law was updated at the beginning of 2025 to allow holiday dates tied to the Islamic Hijri calendar to ...

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 ...