Quick answer: Iran has 246 business days in 2027 for a default Monday-Friday week, for the period Jan 1, 2027 through Dec 31, 2027.
Month-by-month business days (2027)
Weekdays counted: Monday-Friday.
| Month | Business days | Public holiday days in month |
|---|---|---|
| January | 20 | 2 |
| February | 19 | 2 |
| March | 21 | 3 |
| April | 21 | 2 |
| May | 19 | 2 |
| June | 19 | 4 |
| July | 22 | 1 |
| August | 18 | 4 |
| September | 22 | 0 |
| October | 21 | 0 |
| November | 21 | 1 |
| December | 23 | 2 |
Public holidays in 2027 (Iran)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 6, 2027 | Prophet's Ascension |
| Jan 24, 2027 | Imam Mahdi's birthday |
| Feb 11, 2027 | Revolution Day |
| Feb 28, 2027 | Martyrdom of Imam Ali |
| Mar 10, 2027 | Eid-e-Fetr |
| Mar 11, 2027 | Eid-e-Fetr Holiday |
| Mar 20, 2027 | Oil Nationalization Day |
| Apr 1, 2027 | Islamic Republic Day |
| Apr 3, 2027 | Martyrdom of Imam Sadeq |
| May 17, 2027 | Eid-e-Ghorban |
| May 25, 2027 | Eid-e-Ghadir |
| Jun 4, 2027 | Anniversary of Khomeini's Death |
| Jun 5, 2027 | Revolt of Khordad 15 |
| Jun 14, 2027 | Tassoua |
| Jun 15, 2027 | Ashura |
| Jul 25, 2027 | Arbaeen |
| Aug 2, 2027 | Demise of Prophet Muhammad and Martyrdom of Imam Hassan |
| Aug 3, 2027 | Martyrdom of Imam Reza |
| Aug 11, 2027 | Martyrdom of Imam Hasan al-Askari |
| Aug 20, 2027 | Birthday of Prophet Muhammad and Imam Sadeq |
| Nov 3, 2027 | Martyrdom of Hazrat Fatima |
| Dec 12, 2027 | Birthday of Imam Ali and Father's Day |
| Dec 26, 2027 | Prophet's Ascension |
Key insights
Total working days
Default Monday-Friday workweek in 2027.
Highest month
23 working days.
Lowest month
18 working days.
Holidays included
National public holidays excluded from the total.
Related guides & tools
Frequently asked questions
How many working days are there in Iran in 2027?
Iran has 246 working days in 2027 using a default Monday-Friday workweek and excluding national public holidays.
Are public holidays included in the calculation?
Yes. National public holidays in 2027 are excluded from the working-day total (about 23 calendar days in this dataset).
Which month has the fewest working days?
August has the fewest working days, with 18.
Can I customize the working week or include a region?
Yes. Use the business days calculator to change weekdays, add a region filter (when available), or calculate a custom range.