Upcoming holidays (to the end of the year)

13 Mordad Arba'een of Imam Hussain
21 Mordad Demise of Prophet Muhammad (PBUH) & Martyrdom of Imam Hasan (AS)
22 Mordad Martyrdom of Imam Reza (AS)
30 Mordad Martyrdom of Imam Hasan al-Askari (AS)
8 Shahrivar Birthday of Prophet Muhammad (PBUH) & Imam Ja'far al-Sadiq (AS)
22 Aban Martyrdom of Fatima al-Zahra (SA)
2 Dey Birthday of Imam Ali (AS) — Father's Day
16 Dey Mab'ath of Prophet Muhammad (PBUH)
4 Bahman Mid-Sha'ban (Birthday of Imam Mahdi (AJ))
22 Bahman Victory of the Islamic Revolution
9 Esfand Martyrdom of Imam Ali (AS)
19 Esfand Eid al-Fitr — Day 1
20 Esfand Eid al-Fitr — Day 2
29 Esfand Nationalization of the Iranian Oil Industry

Past holidays

4 Tir Ashura of Imam Hussain
3 Tir Tasu'a of Imam Hussain
15 Khordad June 5th Uprising (15 Khordad)
14 Khordad Eid al-Ghadir
14 Khordad Demise of Imam Khomeini
6 Khordad Eid al-Adha
25 Farvardin Martyrdom of Imam Ja'far al-Sadiq (AS)
13 Farvardin Nature Day (Sizdah Bedar)
12 Farvardin Islamic Republic Day of Iran
4 Farvardin Nowruz — Day 4
3 Farvardin Nowruz — Day 3
2 Farvardin Nowruz — Day 2
2 Farvardin Eid al-Fitr — Day 2
1 Farvardin Eid al-Fitr — Day 1
1 Farvardin Nowruz — Day 1 (New Year)
29 Esfand Nationalization of the Iranian Oil Industry
20 Esfand Martyrdom of Imam Ali (AS)
22 Bahman Victory of the Islamic Revolution
15 Bahman Mid-Sha'ban (Birthday of Imam Mahdi (AJ))
27 Dey Mab'ath of Prophet Muhammad (PBUH)
13 Dey Birthday of Imam Ali (AS) — Father's Day
3 Azar Martyrdom of Fatima al-Zahra (SA)
19 Shahrivar Birthday of Prophet Muhammad (PBUH) & Imam Ja'far al-Sadiq (AS)
10 Shahrivar Martyrdom of Imam Hasan al-Askari (AS)
2 Shahrivar Martyrdom of Imam Reza (AS)
31 Mordad Demise of Prophet Muhammad (PBUH) & Martyrdom of Imam Hasan (AS)
23 Mordad Arba'een of Imam Hussain
15 Tir Ashura of Imam Hussain
14 Tir Tasu'a of Imam Hussain
24 Khordad Eid al-Ghadir
16 Khordad Eid al-Adha
15 Khordad June 5th Uprising (15 Khordad)
14 Khordad Demise of Imam Khomeini
4 Ordibehesht Martyrdom of Imam Ja'far al-Sadiq (AS)
13 Farvardin Nature Day (Sizdah Bedar)
12 Farvardin Islamic Republic Day of Iran
12 Farvardin Eid al-Fitr — Day 2
11 Farvardin Eid al-Fitr — Day 1
4 Farvardin Nowruz — Day 4
3 Farvardin Nowruz — Day 3
2 Farvardin Martyrdom of Imam Ali (AS)
2 Farvardin Nowruz — Day 2
1 Farvardin Nowruz — Day 1 (New Year)