Shamsi, Imperial & Gregorian Date Converter

Enter a date in any of the three calendars to see its equivalent in the other two. Free and online.

Conversion result
Imperial (Shahanshahi)
Monday 8 Tir 2585
Shamsi (Solar Hijri)
8 Tir 1405
Gregorian
29 June 2026

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Date conversion, widgets, ancient celebrations and events in the free Gahshomar app.

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About Imperial date conversion

The Imperial (Aryamehr) calendar is based on the Shamsi calendar, with its epoch tied to the coronation of Cyrus the Great. The months and days match the Shamsi calendar; only the year is 1180 years ahead. This tool performs the conversion accurately and instantly.