Quick answer: Indonesia has 242 business days in 2021 for a default Monday-Friday week, for the period Jan 1, 2021 through Dec 31, 2021.
Month-by-month business days (2021)
Weekdays counted: Monday-Friday.
| Month | Business days | Public holiday days in month |
|---|---|---|
| January | 20 | 1 |
| February | 19 | 1 |
| March | 21 | 3 |
| April | 21 | 1 |
| May | 14 | 8 |
| June | 21 | 1 |
| July | 21 | 1 |
| August | 20 | 2 |
| September | 22 | 0 |
| October | 19 | 2 |
| November | 22 | 0 |
| December | 22 | 2 |
Public holidays in 2021 (Indonesia)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 1, 2021 | New Year's Day |
| Feb 12, 2021 | Chinese New Year's Day |
| Mar 11, 2021 | Ascension of the Prophet Muhammad |
| Mar 12, 2021 | Joint Holiday (Cuti Bersama) |
| Mar 14, 2021 | Bali's Day of Silence and Hindu New Year (Nyepi) |
| Apr 2, 2021 | Good Friday |
| May 1, 2021 | International Labor Day |
| May 12, 2021 | Idul Fitri Joint Holiday |
| May 13, 2021 | Idul Fitri |
| May 13, 2021 | Ascension Day of Jesus Christ |
| May 14, 2021 | Idul Fitri Holiday |
| May 17, 2021 | Idul Fitri Joint Holiday |
| May 18, 2021 | Idul Fitri Joint Holiday |
| May 19, 2021 | Idul Fitri Joint Holiday |
| May 26, 2021 | Waisak Day (Buddha's Anniversary) |
| Jun 1, 2021 | Pancasila Day |
| Jul 20, 2021 | Idul Adha |
| Aug 11, 2021 | Muharram / Islamic New Year |
| Aug 17, 2021 | Indonesian Independence Day |
| Oct 19, 2021 | Maulid Nabi Muhammad |
| Oct 20, 2021 | Day off for Maulid Nabi Muhammad |
| Dec 25, 2021 | Christmas Day |
| Dec 27, 2021 | Boxing Day |
Key insights
Total working days
Default Monday-Friday workweek in 2021.
Highest month
22 working days.
Lowest month
14 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 2021?
Indonesia has 242 working days in 2021 using a default Monday-Friday workweek and excluding national public holidays.
Are public holidays included in the calculation?
Yes. National public holidays in 2021 are excluded from the working-day total (about 22 calendar days in this dataset).
Which month has the fewest working days?
May has the fewest working days, with 14.
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.