Persian calendar (called Jalali calendar) is the most precise calendar in the world. This calendar was set up and adjusted In AD 1079.
In this calendar Iran new year begins on the first day of spring.
Tonight the spring and Iran new year come around.
I wish we have a peacful wiss world in the next year.
No war no poverty.
I wish you the best of luck as well.
O7
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For more information:
https://en.wikipedia.org/wiki/Jalali_calendar
https://en.wikipedia.org/wiki/Nowruz