Introduced by Pope Gregory XIII in 1582 as a reform of the Julian calendar, the Gregorian calendar is today’s global standard for business, aviation, science, and international law.
این روش عمومی است؛ در عمل از فرمولهای سرشناس و تستشده برای تبدیل مستقیم استفاده میشود تا اشتباه در کبیسهها پیش نیاید.
For a Muslim in the Persianate world, the lunar Hijri calendar determines Ramadan and Hajj, not Shamsi or Miladi. So the question "shamsi b miladi better" often depends on context: Shamsi is better for seasonal planning; Miladi is better for international contracts.
Winner: Tie — depends entirely on the user’s cultural and religious framework. tarikh shamsi b miladi better
Simple approximation:
Exact formula (algorithmic):
Example:
1 Farvardin 1405 SH = March 20, 2026 CE (or March 21 depending on equinox). Introduced by Pope Gregory XIII in 1582 as
Common conversion tools:
❌ Not internationally recognized for trade, travel, or science outside Iran/Afghanistan.
❌ Leap year determination requires astronomical calculation (or a fixed 33-year cycle that still differs from Gregorian).
❌ Month lengths irregular (31/30/29 pattern) – less predictable than Gregorian's simpler 31/30/28 memory rule.
Calendar systems serve to organize time for religious, agricultural, and civil purposes. The two prominent systems in the Middle East and Central Asia are: Exact formula (algorithmic):
The question “Which is better?” invites analysis of precision, ease of use, seasonal stability, and international compatibility.
Here is where the debate gets interesting. A calendar is only "better" if people can use it daily alongside the global system.
Verdict: For global business, coding, and travel, Tarikh Miladi is undeniably better because it is the lingua franca of timekeeping. However, for local cultural continuity in Iran and Afghanistan, Shamsi is superior.