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
Carry the full Imperial Calendar with you
Date conversion, widgets, ancient celebrations and events in the free Gahshomar app.
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.