Quick answer: Sri Lanka has 243 business days in 2026 for a default Monday-Friday week, for the period Jan 1, 2026 through Dec 31, 2026.
Month-by-month business days (2026)
Weekdays counted: Monday-Friday.
| Month | Business days | Public holiday days in month |
|---|---|---|
| January | 21 | 2 |
| February | 19 | 3 |
| March | 19 | 4 |
| April | 18 | 4 |
| May | 19 | 4 |
| June | 21 | 1 |
| July | 22 | 1 |
| August | 19 | 2 |
| September | 22 | 1 |
| October | 22 | 1 |
| November | 20 | 2 |
| December | 21 | 2 |
Public holidays in 2026 (Sri Lanka)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 3, 2026 | Duruthu Full Moon Poya Day |
| Jan 15, 2026 | Tamil Thai Pongal Day |
| Feb 1, 2026 | Navam Full Moon Poya Day |
| Feb 4, 2026 | National Day |
| Feb 15, 2026 | Mahasivarathri Day |
| Mar 2, 2026 | Madin Full Moon Poya Day |
| Mar 18, 2026 | Fuel Conservation Holiday |
| Mar 21, 2026 | Eid al-Fitr |
| Mar 25, 2026 | Fuel Conservation Holiday |
| Apr 1, 2026 | Bak Full Moon Poya Day |
| Apr 1, 2026 | Fuel Conservation Holiday |
| Apr 3, 2026 | Good Friday |
| Apr 13, 2026 | Sinhala and Tamil New Year's Eve |
| Apr 14, 2026 | Sinhala and Tamil New Year's Day |
| May 1, 2026 | May Day |
| May 1, 2026 | Adhi Vesak Full Moon Poya Day |
| May 28, 2026 | Eid al-Adha |
| May 30, 2026 | Vesak Full Moon Poya Day |
| May 31, 2026 | Day after Vesak Full Moon Poya Day |
| Jun 29, 2026 | Poson Full Moon Poya Day |
| Jul 29, 2026 | Esala Full Moon Poya Day |
| Aug 26, 2026 | Milad-Un-Nabi |
| Aug 27, 2026 | Nikini Full Moon Poya Day |
| Sep 26, 2026 | Binara Full Moon Poya Day |
| Oct 25, 2026 | Vap Full Moon Poya Day |
| Nov 8, 2026 | Deepavali |
| Nov 24, 2026 | Il Full Moon Poya Day |
| Dec 23, 2026 | Unduvap Full Moon Poya Day |
| Dec 25, 2026 | Christmas Day |
Key insights
Total working days
Default Monday-Friday workweek in 2026.
Highest month
22 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 Sri Lanka in 2026?
Sri Lanka has 243 working days in 2026 using a default Monday-Friday workweek and excluding national public holidays.
Are public holidays included in the calculation?
Yes. National public holidays in 2026 are excluded from the working-day total (about 27 calendar days in this dataset).
Which month has the fewest working days?
April 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.