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Iranian calendars

Today
Friday
Gregorian calendarJanuary 31, 2025
Islamic calendar1 Sha'aban, 1446 AH
Hebrew calendar2 Shevat, AM 5785
Coptic calendarTobi 23, 1741 AM
Solar Hijri calendar12 Bahman, 1403 SH
Bengali calendarMagh 17, 1431 BS
Julian calendar18 January 2025

The Iranian calendar or Iranian chronology (Persian: گاه‌شماری ایرانی, Gâh Šomâriye Irâni) are a succession of calendars created and used for over two millennia in Iran, also known as Persia. One of the longest chronological records in human history, the Iranian calendar has been modified many times for administrative purposes. The most influential person in laying the frameworks for the calendar and its precision was the 11th century Persian polymath, Omar Khayyam. The modern Iranian calendar is currently the official civil calendar in Iran.

The Iranian New Year begins at the midnight nearest to the instant of the northern spring equinox, as determined by astronomic calculations for the meridian (52.5°E). It is, therefore, an observation-based calendar, unlike the Gregorian, which is rule-based.[1] This equinox occurs on or about 20 March of the Gregorian calendar. The time zone of Iran is Iran Standard Time, UTC+03:30.

  1. ^ Heydari-Malayeri, M. (2004). "A concise review of the Iranian calendar". Paris Observatory.

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