Quick answer: Indonesia has 240 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 | 20 | 2 |
| February | 18 | 2 |
| March | 17 | 7 |
| April | 21 | 2 |
| May | 16 | 6 |
| June | 20 | 2 |
| July | 23 | 0 |
| August | 19 | 2 |
| September | 22 | 0 |
| October | 22 | 0 |
| November | 21 | 0 |
| December | 21 | 2 |
Public holidays in 2026 (Indonesia)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 1, 2026 | New Year's Day |
| Jan 16, 2026 | Ascension of the Prophet Muhammad |
| Feb 16, 2026 | Chinese New Year Joint Holiday |
| Feb 17, 2026 | Chinese New Year's Day |
| Mar 18, 2026 | Joint Holiday for Bali's Day of Silence and Hindu New Year (Nyepi) |
| Mar 19, 2026 | Bali's Day of Silence and Hindu New Year (Nyepi) |
| Mar 20, 2026 | Idul Fitri Joint Holiday |
| Mar 21, 2026 | Idul Fitri |
| Mar 22, 2026 | Idul Fitri Holiday |
| Mar 23, 2026 | Idul Fitri Joint Holiday |
| Mar 24, 2026 | Idul Fitri Joint Holiday |
| Apr 3, 2026 | Good Friday |
| Apr 5, 2026 | Easter Sunday |
| May 1, 2026 | International Labor Day |
| May 14, 2026 | Ascension Day of Jesus Christ |
| May 15, 2026 | Joint Holiday after Ascension Day |
| May 27, 2026 | Idul Adha |
| May 28, 2026 | Joint Holiday for Idul Adha |
| May 31, 2026 | Waisak Day (Buddha's Anniversary) |
| Jun 1, 2026 | Pancasila Day |
| Jun 16, 2026 | Muharram / Islamic New Year |
| Jun 16, 2026 | Muharram / Islamic New Year Holiday |
| Aug 17, 2026 | Indonesian Independence Day |
| Aug 25, 2026 | Maulid Nabi Muhammad |
| Dec 24, 2026 | Christmas Eve Joint Holiday |
| Dec 25, 2026 | Christmas Day |
Key insights
Total working days
Default Monday-Friday workweek in 2026.
Highest month
23 working days.
Lowest month
16 working days.
Holidays included
National public holidays excluded from the total.
Related guides & tools
Frequently asked questions
How many working days are there in Indonesia in 2026?
Indonesia has 240 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 25 calendar days in this dataset).
Which month has the fewest working days?
May has the fewest working days, with 16.
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.