Quick answer: Sri Lanka has 239 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 | 21 | 2 |
| February | 17 | 3 |
| March | 19 | 2 |
| April | 20 | 4 |
| May | 19 | 3 |
| June | 20 | 2 |
| July | 22 | 1 |
| August | 20 | 1 |
| September | 21 | 2 |
| October | 21 | 2 |
| November | 18 | 2 |
| December | 21 | 2 |
Public holidays in 2025 (Sri Lanka)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 13, 2025 | Duruthu Full Moon Poya Day |
| Jan 14, 2025 | Tamil Thai Pongal Day |
| Feb 4, 2025 | National Day |
| Feb 12, 2025 | Navam Full Moon Poya Day |
| Feb 26, 2025 | Mahasivarathri Day |
| Mar 13, 2025 | Madin Full Moon Poya Day |
| Mar 31, 2025 | Eid al-Fitr |
| Apr 12, 2025 | Bak Full Moon Poya Day |
| Apr 13, 2025 | Sinhala and Tamil New Year's Eve |
| Apr 14, 2025 | Sinhala and Tamil New Year's Day |
| Apr 18, 2025 | Good Friday |
| May 1, 2025 | May Day |
| May 12, 2025 | Vesak Full Moon Poya Day |
| May 13, 2025 | Day after Vesak Full Moon Poya Day |
| Jun 7, 2025 | Eid al-Adha |
| Jun 10, 2025 | Poson Full Moon Poya Day |
| Jul 10, 2025 | Esala Full Moon Poya Day |
| Aug 8, 2025 | Nikini Full Moon Poya Day |
| Sep 5, 2025 | Milad-Un-Nabi |
| Sep 7, 2025 | Binara Full Moon Poya Day |
| Oct 6, 2025 | Vap Full Moon Poya Day |
| Oct 20, 2025 | Deepavali |
| Nov 5, 2025 | Il Full Moon Poya Day |
| Nov 28, 2025 | Bad Weather Holiday |
| Dec 4, 2025 | Unduvap Full Moon Poya Day |
| Dec 25, 2025 | Christmas Day |
Key insights
Total working days
Default Monday-Friday workweek in 2025.
Highest month
22 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 Sri Lanka in 2025?
Sri Lanka has 239 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 26 calendar days in this dataset).
Which month has the fewest working days?
February 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.