Quick answer: Singapore has 252 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 | 20 | 3 |
| February | 20 | 0 |
| March | 20 | 1 |
| April | 21 | 1 |
| May | 20 | 3 |
| June | 21 | 1 |
| July | 23 | 0 |
| August | 21 | 1 |
| September | 22 | 0 |
| October | 22 | 1 |
| November | 20 | 0 |
| December | 22 | 1 |
Public holidays in 2025 (Singapore)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 1, 2025 | New Year’s Day |
| Jan 29, 2025 | Chinese New Year's Day |
| Jan 30, 2025 | Second Day of Chinese New Year |
| Mar 31, 2025 | Hari Raya Puasa |
| Apr 18, 2025 | Good Friday |
| May 1, 2025 | Labour Day |
| May 3, 2025 | Election Day |
| May 12, 2025 | Vesak Day |
| Jun 7, 2025 | Hari Raya Haji |
| Aug 9, 2025 | National Day |
| Oct 20, 2025 | Diwali/Deepavali |
| Dec 25, 2025 | Christmas Day |
Key insights
Total working days
Default Monday-Friday workweek in 2025.
Highest month
23 working days.
Lowest month
20 working days.
Holidays included
National public holidays excluded from the total.
Related guides & tools
Frequently asked questions
How many working days are there in Singapore in 2025?
Singapore has 252 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 12 calendar days in this dataset).
Which month has the fewest working days?
January, February, March, May and November has the fewest working days, with 20.
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.