Quick answer: Mongolia has 249 business days in 2025 for a default Monday-Friday week, for the period Jan 1, 2025 through Dec 31, 2025.
Month-by-month business days (2025)
Weekdays counted: Monday-Friday.
| Month | Business days | Public holiday days in month |
|---|---|---|
| January | 22 | 1 |
| February | 20 | 0 |
| March | 20 | 4 |
| April | 22 | 0 |
| May | 22 | 0 |
| June | 20 | 2 |
| July | 17 | 8 |
| August | 21 | 0 |
| September | 22 | 0 |
| October | 23 | 0 |
| November | 18 | 2 |
| December | 22 | 1 |
Public holidays in 2025 (Mongolia)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 1, 2025 | New Year |
| Mar 1, 2025 | Tsagaan Sar |
| Mar 2, 2025 | Tsagaan Sar Holiday |
| Mar 3, 2025 | Tsagaan Sar Holiday |
| Mar 8, 2025 | International Women's Day |
| Jun 1, 2025 | Children's Day |
| Jun 11, 2025 | Great Buddha Day |
| Jul 10, 2025 | Naadam Holiday (National Day Holiday) |
| Jul 11, 2025 | Naadam Holiday (National Day) |
| Jul 12, 2025 | Naadam Holiday (National Day Holiday) |
| Jul 13, 2025 | Naadam Holiday (National Day Holiday) |
| Jul 14, 2025 | Naadam Holiday (National Day Holiday) |
| Jul 15, 2025 | Naadam Holiday (National Day Holiday) |
| Jul 16, 2025 | Naadam Holiday (National Day Holiday) |
| Jul 17, 2025 | Naadam Holiday (National Day Holiday) |
| Nov 21, 2025 | Genghis Khan Day |
| Nov 26, 2025 | Republic Day |
| Dec 29, 2025 | Independence Day |
Key insights
Total working days
Default Monday-Friday workweek in 2025.
Highest month
23 working days.
Lowest month
17 working days.
Holidays included
National public holidays excluded from the total.
Related guides & tools
Frequently asked questions
How many working days are there in Mongolia in 2025?
Mongolia has 249 working days in 2025 using a default Monday-Friday workweek and excluding national public holidays.
Are public holidays included in the calculation?
Yes. National public holidays in 2025 are excluded from the working-day total (about 18 calendar days in this dataset).
Which month has the fewest working days?
July has the fewest working days, with 17.
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.