Currently, there is a roughly 621-year difference between the two.

: A handy browser plugin that automatically converts Miladi dates on websites into Shamsi as you browse. Why the Shamsi Calendar is Unique

مثال: تبدیل 1 فروردین 1400 شمسی

تبدیل تاریخ Iranian Date Converter 2026 - Taghvim.com

The Gregorian calendar is used for international trade, aviation, computing, diplomacy, and science. ISO 8601 (date format) is based on Miladi.

: The Shamsi calendar's connection to the natural cycle of the seasons makes it more meaningful for agriculture and cultural traditions like Nowruz.