2026 Working days summary for Tonga
Tonga has 253 working days in 2026. This is calculated from 365 total calendar days, minus 104 weekend days (Saturday-Sunday), and minus 8 holidays on working days. The standard work week runs Monday through Friday.
Monthly Breakdown
| Month | Working | Weekend | Holidayson working days | Total |
|---|---|---|---|---|
| January | 21 | 9 | 1 | 31 |
| February | 20 | 8 | 0 | 28 |
| March | 22 | 9 | 0 | 31 |
| April | 20 | 8 | 2 | 30 |
| May | 21 | 10 | 0 | 31 |
| June | 21 | 8 | 1 | 30 |
| July | 23 | 8 | 0 | 31 |
| August | 21 | 10 | 0 | 31 |
| September | 21 | 8 | 1 | 30 |
| October | 22 | 9 | 0 | 31 |
| November | 20 | 9 | 1 | 30 |
| December | 21 | 8 | 2 | 31 |
| Total | 253 | 104 | 8 | 365 |
Tonga working days calculator
Count working days between two dates in Tonga, or find the date a given number of business days ahead, such as a delivery or payment deadline. Weekends and public holidays come from the 2026 calendar on this page. How to use
For information only. Holidays are compiled from public sources and can be incomplete or change at short notice. Not legal advice - statutory and court deadlines follow their own counting rules; check the official source before relying on a date.
2026 Calendar for Tonga
For information only. Holidays are compiled from public sources and can be incomplete or change at short notice. Not legal advice - statutory and court deadlines follow their own counting rules; check the official source before relying on a date.
January 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 New Year's Day New Year's Day | 2 | 3 | ||||
4 | 5 | 6 | 7 | 8 | 9 | 10 |
11 | 12 | 13 | 14 | 15 | 16 | 17 |
18 | 19 | 20 | 21 | 22 | 23 | 24 |
25 | 26 | 27 | 28 | 29 | 30 | 31 |
21 working days
January: 2, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 19, 20, 21, 22, 23, 26, 27, 28, 29, 30
9 weekend days
January: 3, 4, 10, 11, 17, 18, 24, 25, 31
1 holiday
- 1 JanuaryNew Year's Day
February 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 |
8 | 9 | 10 | 11 | 12 | 13 | 14 |
15 | 16 | 17 | 18 | 19 | 20 | 21 |
22 | 23 | 24 | 25 | 26 | 27 | 28 |
20 working days
February: 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 16, 17, 18, 19, 20, 23, 24, 25, 26, 27
8 weekend days
February: 1, 7, 8, 14, 15, 21, 22, 28
March 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 |
8 | 9 | 10 | 11 | 12 | 13 | 14 |
15 | 16 | 17 | 18 | 19 | 20 | 21 |
22 | 23 | 24 | 25 | 26 | 27 | 28 |
29 | 30 | 31 |
22 working days
March: 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 16, 17, 18, 19, 20, 23, 24, 25, 26, 27, 30, 31
9 weekend days
March: 1, 7, 8, 14, 15, 21, 22, 28, 29
April 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 | 2 | 3 Good Friday Good Friday | 4 | |||
5 | 6 Easter Monday Easter Monday | 7 | 8 | 9 | 10 | 11 |
12 | 13 | 14 | 15 | 16 | 17 | 18 |
19 | 20 | 21 | 22 | 23 | 24 | 25 ANZAC Day ANZAC Day |
26 | 27 | 28 | 29 | 30 |
20 working days
April: 1, 2, 7, 8, 9, 10, 13, 14, 15, 16, 17, 20, 21, 22, 23, 24, 27, 28, 29, 30
8 weekend days
April: 4, 5, 11, 12, 18, 19, 25, 26
Including a holiday: 25 April - ANZAC Day
2 holidays
- 3 AprilGood Friday
- 6 AprilEaster Monday
May 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 | 2 | |||||
3 | 4 | 5 | 6 | 7 | 8 | 9 |
10 | 11 | 12 | 13 | 14 | 15 | 16 |
17 | 18 | 19 | 20 | 21 | 22 | 23 |
24 | 25 | 26 | 27 | 28 | 29 | 30 |
31 |
21 working days
May: 1, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 25, 26, 27, 28, 29
10 weekend days
May: 2, 3, 9, 10, 16, 17, 23, 24, 30, 31
June 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | |
7 | 8 Emancipation Day Emancipation Day | 9 | 10 | 11 | 12 | 13 |
14 | 15 | 16 | 17 | 18 | 19 | 20 |
21 | 22 | 23 | 24 | 25 | 26 | 27 |
28 | 29 | 30 |
21 working days
June: 1, 2, 3, 4, 5, 9, 10, 11, 12, 15, 16, 17, 18, 19, 22, 23, 24, 25, 26, 29, 30
8 weekend days
June: 6, 7, 13, 14, 20, 21, 27, 28
1 holiday
- 8 JuneEmancipation Day
July 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 Official Birthday of His Majesty King Tupou VI Official Birthday of His Majesty King Tupou VI | |||
5 | 6 | 7 | 8 | 9 | 10 | 11 |
12 | 13 | 14 | 15 | 16 | 17 | 18 |
19 | 20 | 21 | 22 | 23 | 24 | 25 |
26 | 27 | 28 | 29 | 30 | 31 |
23 working days
July: 1, 2, 3, 6, 7, 8, 9, 10, 13, 14, 15, 16, 17, 20, 21, 22, 23, 24, 27, 28, 29, 30, 31
8 weekend days
July: 4, 5, 11, 12, 18, 19, 25, 26
Including a holiday: 4 July - Official Birthday of His Majesty King Tupou VI
August 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 | ||||||
2 | 3 | 4 | 5 | 6 | 7 | 8 |
9 | 10 | 11 | 12 | 13 | 14 | 15 |
16 | 17 | 18 | 19 | 20 | 21 | 22 |
23 | 24 | 25 | 26 | 27 | 28 | 29 |
30 | 31 |
21 working days
August: 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 17, 18, 19, 20, 21, 24, 25, 26, 27, 28, 31
10 weekend days
August: 1, 2, 8, 9, 15, 16, 22, 23, 29, 30
September 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | ||
6 | 7 | 8 | 9 | 10 | 11 | 12 |
13 | 14 | 15 | 16 | 17 Birthday of His Royal Highness the Crown Prince Tupouto'a-'Ulukalala Birthday of His Royal Highness the Crown Prince Tupouto'a-'Ulukalala | 18 | 19 |
20 | 21 | 22 | 23 | 24 | 25 | 26 |
27 | 28 | 29 | 30 |
21 working days
September: 1, 2, 3, 4, 7, 8, 9, 10, 11, 14, 15, 16, 18, 21, 22, 23, 24, 25, 28, 29, 30
8 weekend days
September: 5, 6, 12, 13, 19, 20, 26, 27
1 holiday
- 17 SeptemberBirthday of His Royal Highness the Crown Prince Tupouto'a-'Ulukalala
October 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 | 2 | 3 | ||||
4 | 5 | 6 | 7 | 8 | 9 | 10 |
11 | 12 | 13 | 14 | 15 | 16 | 17 |
18 | 19 | 20 | 21 | 22 | 23 | 24 |
25 | 26 | 27 | 28 | 29 | 30 | 31 |
22 working days
October: 1, 2, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 19, 20, 21, 22, 23, 26, 27, 28, 29, 30
9 weekend days
October: 3, 4, 10, 11, 17, 18, 24, 25, 31
November 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 | 2 Constitutional Day Constitutional Day | 3 | 4 | 5 | 6 | 7 |
8 | 9 | 10 | 11 | 12 | 13 | 14 |
15 | 16 | 17 | 18 | 19 | 20 | 21 |
22 | 23 | 24 | 25 | 26 | 27 | 28 |
29 | 30 |
20 working days
November: 3, 4, 5, 6, 9, 10, 11, 12, 13, 16, 17, 18, 19, 20, 23, 24, 25, 26, 27, 30
9 weekend days
November: 1, 7, 8, 14, 15, 21, 22, 28, 29
1 holiday
- 2 NovemberConstitutional Day
December 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | ||
6 | 7 Anniversary of the Coronation of H.M. King George Tupou I Anniversary of the Coronation of H.M. King George Tupou I | 8 | 9 | 10 | 11 | 12 |
13 | 14 | 15 | 16 | 17 | 18 | 19 |
20 | 21 | 22 | 23 | 24 | 25 Christmas Day Christmas Day | 26 Boxing Day Boxing Day |
27 | 28 | 29 | 30 | 31 |
21 working days
December: 1, 2, 3, 4, 8, 9, 10, 11, 14, 15, 16, 17, 18, 21, 22, 23, 24, 28, 29, 30, 31
8 weekend days
December: 5, 6, 12, 13, 19, 20, 26, 27
Including a holiday: 26 December - Boxing Day
2 holidays
- 7 DecemberAnniversary of the Coronation of H.M. King George Tupou I
- 25 DecemberChristmas Day
| Date | Weekday | Day |
|---|---|---|
January 2026 , , and 21 working days January: 2, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 19, 20, 21, 22, 23, 26, 27, 28, 29, 30 9 weekend days January: 3, 4, 10, 11, 17, 18, 24, 25, 31 1 holiday
| ||
| 1 | Thu | New Year's Day |
| 2 | Fri | |
| 3 | Sat | Weekend |
| 4 | Sun | Weekend |
| 5 | Mon | |
| 6 | Tue | |
| 7 | Wed | |
| 8 | Thu | |
| 9 | Fri | |
| 10 | Sat | Weekend |
| 11 | Sun | Weekend |
| 12 | Mon | |
| 13 | Tue | |
| 14 | Wed | |
| 15 | Thu | |
| 16 | Fri | |
| 17 | Sat | Weekend |
| 18 | Sun | Weekend |
| 19 | Mon | |
| 20 | Tue | |
| 21 | Wed | |
| 22 | Thu | |
| 23 | Fri | |
| 24 | Sat | Weekend |
| 25 | Sun | Weekend |
| 26 | Mon | |
| 27 | Tue | |
| 28 | Wed | |
| 29 | Thu | |
| 30 | Fri | |
| 31 | Sat | Weekend |
February 2026 , 20 working days February: 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 16, 17, 18, 19, 20, 23, 24, 25, 26, 27 8 weekend days February: 1, 7, 8, 14, 15, 21, 22, 28 | ||
| 1 | Sun | Weekend |
| 2 | Mon | |
| 3 | Tue | |
| 4 | Wed | |
| 5 | Thu | |
| 6 | Fri | |
| 7 | Sat | Weekend |
| 8 | Sun | Weekend |
| 9 | Mon | |
| 10 | Tue | |
| 11 | Wed | |
| 12 | Thu | |
| 13 | Fri | |
| 14 | Sat | Weekend |
| 15 | Sun | Weekend |
| 16 | Mon | |
| 17 | Tue | |
| 18 | Wed | |
| 19 | Thu | |
| 20 | Fri | |
| 21 | Sat | Weekend |
| 22 | Sun | Weekend |
| 23 | Mon | |
| 24 | Tue | |
| 25 | Wed | |
| 26 | Thu | |
| 27 | Fri | |
| 28 | Sat | Weekend |
March 2026 , 22 working days March: 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 16, 17, 18, 19, 20, 23, 24, 25, 26, 27, 30, 31 9 weekend days March: 1, 7, 8, 14, 15, 21, 22, 28, 29 | ||
| 1 | Sun | Weekend |
| 2 | Mon | |
| 3 | Tue | |
| 4 | Wed | |
| 5 | Thu | |
| 6 | Fri | |
| 7 | Sat | Weekend |
| 8 | Sun | Weekend |
| 9 | Mon | |
| 10 | Tue | |
| 11 | Wed | |
| 12 | Thu | |
| 13 | Fri | |
| 14 | Sat | Weekend |
| 15 | Sun | Weekend |
| 16 | Mon | |
| 17 | Tue | |
| 18 | Wed | |
| 19 | Thu | |
| 20 | Fri | |
| 21 | Sat | Weekend |
| 22 | Sun | Weekend |
| 23 | Mon | |
| 24 | Tue | |
| 25 | Wed | |
| 26 | Thu | |
| 27 | Fri | |
| 28 | Sat | Weekend |
| 29 | Sun | Weekend |
| 30 | Mon | |
| 31 | Tue | |
April 2026 , , and 20 working days April: 1, 2, 7, 8, 9, 10, 13, 14, 15, 16, 17, 20, 21, 22, 23, 24, 27, 28, 29, 30 8 weekend days April: 4, 5, 11, 12, 18, 19, 25, 26 Including a holiday: 25 April - ANZAC Day 2 holidays
| ||
| 1 | Wed | |
| 2 | Thu | |
| 3 | Fri | Good Friday |
| 4 | Sat | Weekend |
| 5 | Sun | Weekend |
| 6 | Mon | Easter Monday |
| 7 | Tue | |
| 8 | Wed | |
| 9 | Thu | |
| 10 | Fri | |
| 11 | Sat | Weekend |
| 12 | Sun | Weekend |
| 13 | Mon | |
| 14 | Tue | |
| 15 | Wed | |
| 16 | Thu | |
| 17 | Fri | |
| 18 | Sat | Weekend |
| 19 | Sun | Weekend |
| 20 | Mon | |
| 21 | Tue | |
| 22 | Wed | |
| 23 | Thu | |
| 24 | Fri | |
| 25 | Sat | ANZAC Day |
| 26 | Sun | Weekend |
| 27 | Mon | |
| 28 | Tue | |
| 29 | Wed | |
| 30 | Thu | |
May 2026 , 21 working days May: 1, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 25, 26, 27, 28, 29 10 weekend days May: 2, 3, 9, 10, 16, 17, 23, 24, 30, 31 | ||
| 1 | Fri | |
| 2 | Sat | Weekend |
| 3 | Sun | Weekend |
| 4 | Mon | |
| 5 | Tue | |
| 6 | Wed | |
| 7 | Thu | |
| 8 | Fri | |
| 9 | Sat | Weekend |
| 10 | Sun | Weekend |
| 11 | Mon | |
| 12 | Tue | |
| 13 | Wed | |
| 14 | Thu | |
| 15 | Fri | |
| 16 | Sat | Weekend |
| 17 | Sun | Weekend |
| 18 | Mon | |
| 19 | Tue | |
| 20 | Wed | |
| 21 | Thu | |
| 22 | Fri | |
| 23 | Sat | Weekend |
| 24 | Sun | Weekend |
| 25 | Mon | |
| 26 | Tue | |
| 27 | Wed | |
| 28 | Thu | |
| 29 | Fri | |
| 30 | Sat | Weekend |
| 31 | Sun | Weekend |
June 2026 , , and 21 working days June: 1, 2, 3, 4, 5, 9, 10, 11, 12, 15, 16, 17, 18, 19, 22, 23, 24, 25, 26, 29, 30 8 weekend days June: 6, 7, 13, 14, 20, 21, 27, 28 1 holiday
| ||
| 1 | Mon | |
| 2 | Tue | |
| 3 | Wed | |
| 4 | Thu | |
| 5 | Fri | |
| 6 | Sat | Weekend |
| 7 | Sun | Weekend |
| 8 | Mon | Emancipation Day |
| 9 | Tue | |
| 10 | Wed | |
| 11 | Thu | |
| 12 | Fri | |
| 13 | Sat | Weekend |
| 14 | Sun | Weekend |
| 15 | Mon | |
| 16 | Tue | |
| 17 | Wed | |
| 18 | Thu | |
| 19 | Fri | |
| 20 | Sat | Weekend |
| 21 | Sun | Weekend |
| 22 | Mon | |
| 23 | Tue | |
| 24 | Wed | |
| 25 | Thu | |
| 26 | Fri | |
| 27 | Sat | Weekend |
| 28 | Sun | Weekend |
| 29 | Mon | |
| 30 | Tue | |
July 2026 , 23 working days July: 1, 2, 3, 6, 7, 8, 9, 10, 13, 14, 15, 16, 17, 20, 21, 22, 23, 24, 27, 28, 29, 30, 31 8 weekend days July: 4, 5, 11, 12, 18, 19, 25, 26 Including a holiday: 4 July - Official Birthday of His Majesty King Tupou VI | ||
| 1 | Wed | |
| 2 | Thu | |
| 3 | Fri | |
| 4 | Sat | Official Birthday of His Majesty King Tupou VI |
| 5 | Sun | Weekend |
| 6 | Mon | |
| 7 | Tue | |
| 8 | Wed | |
| 9 | Thu | |
| 10 | Fri | |
| 11 | Sat | Weekend |
| 12 | Sun | Weekend |
| 13 | Mon | |
| 14 | Tue | |
| 15 | Wed | |
| 16 | Thu | |
| 17 | Fri | |
| 18 | Sat | Weekend |
| 19 | Sun | Weekend |
| 20 | Mon | |
| 21 | Tue | |
| 22 | Wed | |
| 23 | Thu | |
| 24 | Fri | |
| 25 | Sat | Weekend |
| 26 | Sun | Weekend |
| 27 | Mon | |
| 28 | Tue | |
| 29 | Wed | |
| 30 | Thu | |
| 31 | Fri | |
August 2026 , 21 working days August: 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 17, 18, 19, 20, 21, 24, 25, 26, 27, 28, 31 10 weekend days August: 1, 2, 8, 9, 15, 16, 22, 23, 29, 30 | ||
| 1 | Sat | Weekend |
| 2 | Sun | Weekend |
| 3 | Mon | |
| 4 | Tue | |
| 5 | Wed | |
| 6 | Thu | |
| 7 | Fri | |
| 8 | Sat | Weekend |
| 9 | Sun | Weekend |
| 10 | Mon | |
| 11 | Tue | |
| 12 | Wed | |
| 13 | Thu | |
| 14 | Fri | |
| 15 | Sat | Weekend |
| 16 | Sun | Weekend |
| 17 | Mon | |
| 18 | Tue | |
| 19 | Wed | |
| 20 | Thu | |
| 21 | Fri | |
| 22 | Sat | Weekend |
| 23 | Sun | Weekend |
| 24 | Mon | |
| 25 | Tue | |
| 26 | Wed | |
| 27 | Thu | |
| 28 | Fri | |
| 29 | Sat | Weekend |
| 30 | Sun | Weekend |
| 31 | Mon | |
September 2026 , , and 21 working days September: 1, 2, 3, 4, 7, 8, 9, 10, 11, 14, 15, 16, 18, 21, 22, 23, 24, 25, 28, 29, 30 8 weekend days September: 5, 6, 12, 13, 19, 20, 26, 27 1 holiday
| ||
| 1 | Tue | |
| 2 | Wed | |
| 3 | Thu | |
| 4 | Fri | |
| 5 | Sat | Weekend |
| 6 | Sun | Weekend |
| 7 | Mon | |
| 8 | Tue | |
| 9 | Wed | |
| 10 | Thu | |
| 11 | Fri | |
| 12 | Sat | Weekend |
| 13 | Sun | Weekend |
| 14 | Mon | |
| 15 | Tue | |
| 16 | Wed | |
| 17 | Thu | Birthday of His Royal Highness the Crown Prince Tupouto'a-'Ulukalala |
| 18 | Fri | |
| 19 | Sat | Weekend |
| 20 | Sun | Weekend |
| 21 | Mon | |
| 22 | Tue | |
| 23 | Wed | |
| 24 | Thu | |
| 25 | Fri | |
| 26 | Sat | Weekend |
| 27 | Sun | Weekend |
| 28 | Mon | |
| 29 | Tue | |
| 30 | Wed | |
October 2026 , 22 working days October: 1, 2, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 19, 20, 21, 22, 23, 26, 27, 28, 29, 30 9 weekend days October: 3, 4, 10, 11, 17, 18, 24, 25, 31 | ||
| 1 | Thu | |
| 2 | Fri | |
| 3 | Sat | Weekend |
| 4 | Sun | Weekend |
| 5 | Mon | |
| 6 | Tue | |
| 7 | Wed | |
| 8 | Thu | |
| 9 | Fri | |
| 10 | Sat | Weekend |
| 11 | Sun | Weekend |
| 12 | Mon | |
| 13 | Tue | |
| 14 | Wed | |
| 15 | Thu | |
| 16 | Fri | |
| 17 | Sat | Weekend |
| 18 | Sun | Weekend |
| 19 | Mon | |
| 20 | Tue | |
| 21 | Wed | |
| 22 | Thu | |
| 23 | Fri | |
| 24 | Sat | Weekend |
| 25 | Sun | Weekend |
| 26 | Mon | |
| 27 | Tue | |
| 28 | Wed | |
| 29 | Thu | |
| 30 | Fri | |
| 31 | Sat | Weekend |
November 2026 , , and 20 working days November: 3, 4, 5, 6, 9, 10, 11, 12, 13, 16, 17, 18, 19, 20, 23, 24, 25, 26, 27, 30 9 weekend days November: 1, 7, 8, 14, 15, 21, 22, 28, 29 1 holiday
| ||
| 1 | Sun | Weekend |
| 2 | Mon | Constitutional Day |
| 3 | Tue | |
| 4 | Wed | |
| 5 | Thu | |
| 6 | Fri | |
| 7 | Sat | Weekend |
| 8 | Sun | Weekend |
| 9 | Mon | |
| 10 | Tue | |
| 11 | Wed | |
| 12 | Thu | |
| 13 | Fri | |
| 14 | Sat | Weekend |
| 15 | Sun | Weekend |
| 16 | Mon | |
| 17 | Tue | |
| 18 | Wed | |
| 19 | Thu | |
| 20 | Fri | |
| 21 | Sat | Weekend |
| 22 | Sun | Weekend |
| 23 | Mon | |
| 24 | Tue | |
| 25 | Wed | |
| 26 | Thu | |
| 27 | Fri | |
| 28 | Sat | Weekend |
| 29 | Sun | Weekend |
| 30 | Mon | |
December 2026 , , and 21 working days December: 1, 2, 3, 4, 8, 9, 10, 11, 14, 15, 16, 17, 18, 21, 22, 23, 24, 28, 29, 30, 31 8 weekend days December: 5, 6, 12, 13, 19, 20, 26, 27 Including a holiday: 26 December - Boxing Day 2 holidays
| ||
| 1 | Tue | |
| 2 | Wed | |
| 3 | Thu | |
| 4 | Fri | |
| 5 | Sat | Weekend |
| 6 | Sun | Weekend |
| 7 | Mon | Anniversary of the Coronation of H.M. King George Tupou I |
| 8 | Tue | |
| 9 | Wed | |
| 10 | Thu | |
| 11 | Fri | |
| 12 | Sat | Weekend |
| 13 | Sun | Weekend |
| 14 | Mon | |
| 15 | Tue | |
| 16 | Wed | |
| 17 | Thu | |
| 18 | Fri | |
| 19 | Sat | Weekend |
| 20 | Sun | Weekend |
| 21 | Mon | |
| 22 | Tue | |
| 23 | Wed | |
| 24 | Thu | |
| 25 | Fri | Christmas Day |
| 26 | Sat | Boxing Day |
| 27 | Sun | Weekend |
| 28 | Mon | |
| 29 | Tue | |
| 30 | Wed | |
| 31 | Thu | |
Changelog
| The holiday set for Tonga in 2026 has been updated to include a new observance while slightly modifying the designation of an existing holiday | |
| The holiday set for Tonga in 2026 has been expanded to include additional observed days, while some existing holidays have been adjusted |