Dey · Dadvah 1404
December 22, 2025 – January 20, 2026
| Sat | Sun | Mon | Tue | Wed | Thu | Fri |
|---|---|---|---|---|---|---|
| 1 22 Dec | 2 23 | 3 24 | 4 25 | 5 26 | ||
| 6 27 | 7 28 | 8 29 | 9 30 | 10 31 | 11 1 Jan | 12 2 |
| 13 3 | 14 4 | 15 5 | 16 6 | 17 7 | 18 8 | 19 9 |
| 20 10 | 21 11 | 22 12 | 23 13 | 24 14 | 25 15 | 26 16 |
| 27 17 | 28 18 | 29 19 | 30 20 | |||
Events this month
- Hanukkah · 1 Dey · Dadvah
Jewish · Cultural
The Festival of Lights, eight days from 25 Kislev. Begins at sunset the evening before.
- Christmas · Krismas · 4 Dey · Dadvah
Christian · Cultural
The birth of Jesus, kept on 25 December by most churches; the Armenian Church keeps it with Theophany on 6 January.
- Zartosht No-Diso, Death of Zarathustra · Zartosht No-Diso · 5 Dey · Dadvah
Zoroastrian · Ancient festival
Zoroastrians remember the death of Zarathustra on Khorshid day of the month Dey. (Fasli: 26 December.)
- Guru Gobind Singh Gurpurab · Prakash Purab Guru Gobind Singh · 6 Dey · Dadvah
Sikh · Cultural
The birth of Guru Gobind Singh, the tenth Sikh Guru and founder of the Khalsa, on the seventh day of the bright half of Poh; some years have it twice, others not at all.
- Martyrdom of the Younger Sahibzade · Shaheedi Divas Chhote Sahibzade · 6 Dey · Dadvah
Sikh · Historical
Guru Gobind Singh's youngest sons, Zorawar Singh (8) and Fateh Singh (5), executed at Sirhind in 1704 on the Mughal governor's orders after refusing to convert to Islam.
- Feast of Qoltas · Qoltas, Qawltas · 13 Dey · Dadvah
Yarsan · Cultural
The Yarsan's winter feast after three days of fasting, on the date Iraq's Kaka'i keep it, the full moon in the heart of the winter chelleh; it can differ by a day from Iraq's official calendar, and the Yarsan of Sahneh keep it a few days later.
- Armenian Christmas Eve (Khetum) · Khetum · 15 Dey · Dadvah
Armenian · Cultural
The eve of the Armenian Nativity and Theophany, with the evening liturgy and the family meal.
- Armenian Christmas and Theophany · Krismas-e Armani · 16 Dey · Dadvah
Armenian · Cultural
The Armenian Church keeps the Nativity and Theophany together on 6 January.
- Orthodox Christmas (Nativity of Christ) · Rozhdestvo Khristovo · 17 Dey · Dadvah
Christian · Cultural
The Nativity of Christ on the old calendar (25 December Julian); a public holiday in Russia, Belarus, Serbia and Georgia.
- Dey 1404 Uprising and Massacre · Khizesh va Koshtar-e Dey 1404 · 18 Dey · Dadvah
Iranian · Historical
On 8 and 9 January 2026 (18 and 19 Dey 1404) the Islamic Republic's forces crushed the nationwide uprising with live fire under an internet blackout, killing thousands of protesters and bystanders in two days; Iran Human Rights has verified 4,219 dead by name, and other estimates reach at least 43,000.
- Flight PS752 · Parvaz-e 752 · 18 Dey · Dadvah
Iranian · Historical
The Revolutionary Guards shot down Ukraine International Airlines Flight 752 after take-off from Tehran, killing all 176 aboard, most of them Iranian (18 Dey 1398; 8 January 2020).
- Death of Amir Kabir · Amir Kabir · 20 Dey · Dadvah
Iranian · Historical
Amir Kabir, the reforming chief minister who founded the Dar ul-Funun, was killed at Fin, Kashan, on 10 January 1852.
- Maghi · 24 Dey · Dadvah
Sikh · Historical
The first day of Magh, remembering the Forty Liberated, who fell at Muktsar in 1705; pilgrims bathe in the sarovar at Sri Muktsar Sahib.
- Martin Luther King Jr. Day · 29 Dey · Dadvah
National · National holiday
A US federal holiday honouring the civil-rights leader, on the third Monday of January.
- Theophany (Orthodox Epiphany) · 29 Dey · Dadvah
Christian · Cultural
Christ's baptism in the Jordan and the Great Blessing of Waters, on 6 January of the Julian calendar; a public holiday in Georgia.
Other events
- Martyrdom of the Elder Sahibzade · Shaheedi Divas Vadde Sahibzade · 1 Dey · Dadvah
- Fast of the Annunciation (Assyrian Advent fast) · 1–3 Dey · Dadvah
- Nativity Fast · 1–16 Dey · Dadvah
- Nativity Fast (new calendar) · 1–3 Dey · Dadvah
- Day of Dadvah (second) · Jashn-e Dey · 2 Dey · Dadvah
- Christmas Eve · 3 Dey · Dadvah
- Rudaki Day · Ruz-e Rudaki · 4 Dey · Dadvah
- Bam Earthquake · Zelzeleh-ye Bam · 5 Dey · Dadvah
- Boxing Day (St Stephen's Day) · 5 Dey · Dadvah
- Synaxis of the Theotokos · 5 Dey · Dadvah
- Girls of Revolution Street · 6 Dey · Dadvah
- Mandaean light fast (15 Sarṭana) · Ṣauma · 6 Dey · Dadvah
- Batizmi (Feast of Pir Ali) · Batizmî · 7–14 Dey · Dadvah
- Protests of Dey 1396 · 7 Dey · Dadvah
- Feast of the Holy Family · Eyd-e Khanevadeh-ye Moqaddas · 7 Dey · Dadvah
- Holy Innocents (Childermas) · Ruz-e Kudakan-e Bigonah · 7 Dey · Dadvah
- Roboski massacre · 7 Dey · Dadvah
- Dar ul-Funun Opens · Dar ol-Fonun · 8 Dey · Dadvah
- Sir-o-Sur · 8 Dey · Dadvah
- Day of Dadvah (third) · Jashn-e Dey · 9 Dey · Dadvah
- Nineteen Day Feast · 9 Dey · Dadvah
- Tenth of Tevet · Asara BeTevet · 9 Dey · Dadvah
- Vaikuntha Ekadashi · 9 Dey · Dadvah
- Maidyarem Gahambar · Gahanbar-e Maidyarem · 10–14 Dey · Dadvah
- New Year's Day · Sal-e No-ye Miladi · 11 Dey · Dadvah
- Mary, Mother of God (Holy Name of Jesus) · Eyd-e Maryam, Madar-e Khoda · 11 Dey · Dadvah
- Mandaean light fast (23 Sarṭana) · Ṣauma · 14 Dey · Dadvah
- Amitabha's Birthday · Amituofo · 15 Dey · Dadvah
- Bakhtiari Take Isfahan for the Constitution · Vorud-e Bakhtiari-ha be Esfahan · 15 Dey · Dadvah
- Twelfth Night · Shab-e Davazdahom · 15 Dey · Dadvah
- Epiphany · 16 Dey · Dadvah
- Orthodox Christmas Eve · 16 Dey · Dadvah
- Day of Dadvah (fourth) · Jashn-e Dey · 17 Dey · Dadvah
- Unveiling Decree · Kashf-e Hejab · 17 Dey · Dadvah
- Merelots: Remembrance of the Dead after the Nativity · Merelots · 17 Dey · Dadvah
- Baptism of the Lord · Eyd-e Ta'mid-e Masih · 21 Dey · Dadvah
- Rogation of the Virgins · 22 Dey · Dadvah
- Naming of the Lord · Anvanakochutyun Tyarn · 23 Dey · Dadvah
- Lohri · 23 Dey · Dadvah
- Makar Sankranti · 24 Dey · Dadvah
- Old New Year · 24 Dey · Dadvah
- Thai Pongal · 24 Dey · Dadvah
- Bahmangan · Jashn-e Bahmangan · 26 Dey · Dadvah
- Nineteen Day Feast · 28 Dey · Dadvah
- Mauni Amavasya · 28 Dey · Dadvah
- World Religion Day · 28 Dey · Dadvah
- Rosh Chodesh · 29 Dey · Dadvah
- First night of the Kurdish spring (Dawud Koswar's enthronement) · 29 Dey · Dadvah