The Persian calendar preserves an ancient legacy tied to the region's seasonal and cultural rhythms.
Key Differences Between Gregorian, Islamic, and Persian Calendars
| Feature | Gregorian Calendar | Islamic Calendar | Persian Calendar |
| Type | Solar | Lunar | Solar |
| Year Length | ~365.24 days | ~354 days | ~365.24 days |
| Month Length | Fixed (28–31 days) | Varies (29–30 days) | Fixed for each month |
| Leap Year | Every 4 years (*) | No leap year | Once every 4 or 5 years |
| Start of Year | January 1 | Muharram 1 | Nowruz (Spring Equinox) |
| Global Use | Worldwide | Religious purposes | Iran, Afghanistan |
| * except century years not divisible by 400 |
More details about Persian Calendars
