Iranian Calendar

Persian Calendar
1404–1405 · 2026

The Solar Hijri (Shamsi) calendar is the official calendar of Iran and Afghanistan. It begins on the March equinox — Nowruz, the Persian New Year.

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🔄 Gregorian → Persian Date Converter

Convert any Gregorian date to the Persian Solar Hijri calendar.

Persian Months — 1404 & 1405

The Persian year 1404 begins March 20, 2025 (Nowruz). Year 1405 begins March 20, 2026.

#Persian MonthPersian ScriptSeasonDays2026 Gregorian
1FarvardinفروردینSpring31Mar 20 – Apr 19, 2026
2OrdibeheshtاردیبهشتSpring31Apr 20 – May 20, 2026
3KhordadخردادSpring31May 21 – Jun 20, 2026
4TirتیرSummer31Jun 21 – Jul 21, 2026
5MordadمردادSummer31Jul 22 – Aug 21, 2026
6ShahrivarشهریورSummer31Aug 22 – Sep 21, 2026
7MehrمهرAutumn30Sep 22 – Oct 21, 2026
8AbanآبانAutumn30Oct 22 – Nov 20, 2026
9AzarآذرAutumn30Nov 21 – Dec 20, 2026
10DeyدیWinter30Dec 21, 2026 – Jan 19, 2027
11BahmanبهمنWinter30Jan 20 – Feb 18, 2027
12EsfandاسفندWinter29/30Feb 19 – Mar 19, 2027

Iranian Holidays & Special Days 2026

Official public holidays and traditional celebrations in Iran for the Persian year 1405.

🌸
Nowruz — Persian New Year
نوروز
March 20, 2026 · 1 Farvardin 1405
The Persian New Year and the most important celebration in Iran. Begins at the exact moment of the vernal equinox and marks the first day of spring. A 13-day holiday in Iran.
🎨
Sizdah Bedar (Nature Day)
سیزده بدر
April 1, 2026 · 13 Farvardin 1405
The 13th day of Nowruz. Iranians leave their homes to spend the day in nature, symbolizing renewal. Green sprouts from Haft-Sin are thrown into flowing water.
🕌
Islamic Republic Day
روز جمهوری اسلامی
April 1, 2026 · 12 Farvardin 1405
Marks the establishment of the Islamic Republic of Iran following the 1979 revolution, which was voted on in a referendum on April 1, 1979.
Islamic Revolution Day
پیروزی انقلاب اسلامی
February 11, 2026 · 22 Bahman 1404
Celebrates the victory of the Islamic Revolution in Iran on February 11, 1979. Known as "22 Bahman" (22nd of Bahman in the Persian calendar).
🌹
Oil Nationalization Day
روز ملی شدن صنعت نفت
March 19, 2026 · 28 Esfand 1404
Commemorates the nationalization of Iranian oil industry under Prime Minister Mohammad Mosaddegh in 1951 (29 Esfand 1329).
🎭
Yalda Night (Shab-e Yalda)
شب یلدا
December 21, 2026 · 30 Azar 1405
Winter solstice celebration — the longest night of the year. Families gather to read poetry (especially Hafez), eat pomegranates and watermelon, and celebrate the triumph of light over darkness.
🔥
Chaharshanbe Suri (Fire Festival)
چهارشنبه‌سوری
March 18, 2026 (last Tuesday eve of year)
The fire festival held on the eve of the last Wednesday of the Persian year. People jump over bonfires saying "Your redness (health) to me, my paleness (illness) to you."
🌊
Tirgan Festival
جشن تیرگان
July 11, 2026 · 20 Tir 1405
Ancient Persian water festival celebrated on the 13th day of Tir. People sprinkle water on each other and make wishes. One of the oldest Iranian festivals.

📖 About the Solar Hijri Calendar

The Solar Hijri (Persian: هجری شمسی) is the official calendar of Iran and Afghanistan. It begins on the vernal equinox (Nowruz) and uses the same epoch as the Islamic Hijri calendar — the Prophet Muhammad's migration (Hijra) in 622 CE.

Unlike the Islamic Hijri calendar (which is lunar), the Solar Hijri is a solar calendar, meaning it stays aligned with the seasons. The first six months have 31 days each, the next five have 30 days, and the last month has 29 days (30 in leap years).

🎋 Haft-Sin (The Seven S's)

The central tradition of Nowruz is setting up a Haft-Sin table — seven items whose names begin with the Persian letter "S" (سین), each symbolizing a hope for the new year:

  • Sabzeh (سبزه): Sprouts — rebirth & renewal
  • Samanu (سمنو): Wheat pudding — affluence
  • Senjed (سنجد): Dried lotus — love
  • Seer (سیر): Garlic — medicine & health
  • Seeb (سیب): Apple — beauty & health
  • Somāq (سماق): Sumac — sunrise & patience
  • Serkeh (سرکه): Vinegar — age & wisdom