بِسْمِ اللَّهِ الرَّحْمَٰنِ الرَّحِيمِ

In the name of Allah, the compassionate, the Merciful. Praise is only for Allah, the lord of the worlds, the compassionate, the Merciful, the Sovereign of the day of judgment. I bear witness that there is no god but Allah He is alone, He has no partner, and I bear witness that Muhammad is Allah's Messenger peace and blessing of Allah be upon him, and his family, and the companions of the Holy Prophet, and the rest of Allah's Messengers, and those who follow their right path till the day of judgment.

About the Calendar

Discover the fascinating world of dates with our Calendar Checker tool. With a few clicks, you can unravel the mysteries of any date you select. Want to know which day of the week a special event falls on? Interested in the first and last day of a particular month? Curious if a year is a leap year? Our tool has you covered.

Whether you're planning events, exploring historical dates, or satisfying your curiosity, our Calendar Checker provides quick and accurate insights. It's your go-to resource for date-related information, making dates more than just numbers on a calendar.

The Gregorian Calendar

Prior to 1582, every year divisible by 4 was a leap year. Since a year contains only 365.242199 days (slightly less than 365.25 days), an error of ten days accumulated over the centuries. To compensate for this error, Pope Gregory XIII (after whom the Gregorian calendar is named) decreed that the ten days between October 5, 1582 and October 14, 1582 would be eliminated from the calendar.

Italy, Spain and Portugal adopted the Gregorian calendar in October, 1582 as decreed; however, other countries did not adopt this calendar until later. This made October 1582 the shortest month, with only 21 days. The Julian calendar last day, Thursday, 4th October 1582, was followed by the first day of Gregorian calendar, Friday, 15th October 1582.

The Julian Calendar

The Julian calendar, introduced by Julius Caesar in 45 BCE, was a reform of the Roman calendar. It was the predominant calendar in the Roman world, most of Europe, and in European settlements in the Americas and elsewhere, until it was refined and gradually replaced by the Gregorian calendar in 1582.

The Julian calendar has a regular year of 365 days divided into 12 months, as does the Gregorian calendar. In a leap year, an extra day is added to the month of February, making it 29 days long. However, the Julian calendar's leap year rule adds too many leap days, causing it to drift relative to astronomical events like the vernal equinox.

The Islamic Calendar

The Islamic calendar (Hijri calendar) is a lunar calendar consisting of 12 months in a year of 354 or 355 days. It is used to determine the proper days of Islamic holidays and rituals, such as the annual period of fasting and the proper time for the Hajj pilgrimage.

The Islamic calendar employs the Hijri era, whose epoch was established as the Islamic New Year of 622 CE. During that year, Muhammad and his followers migrated from Mecca to Medina, establishing the first Muslim community (ummah), an event commemorated as the Hijra.

The Aminian Calendar System

The Aminian Calendar, developed by Sheikh Muhammad Aminu Yakub Bamba Al-Faradhi, represents a comprehensive and scholarly approach to Islamic timekeeping that synthesizes the best elements of existing calendar systems while addressing their shortcomings. This system provides a more accurate and unified approach to Islamic dating, harmonizing the Hijri calendar with precise astronomical calculations.