| ลำดับ | วัน/เดือน/ปี | รายละเอียด |
| 1 | 1 January 2020, Wednesday | New Year's Day |
| 2 | 8 Febuary 2020, Saturday | Makha Bucha Day |
| 3 | 6 April 2020, Monday | Chakri Day |
| 4 | 11 April 2020, Saturday | Songkran Day (Postponed) |
| 5 | 13 April 2020, Monday | Songkran Day ( Postponed) |
| 6 | 14 April 2020, Tuesday | Songkran Day ( Postponed) |
| 7 | 15 April 2020, Wednesday | Songkran Day ( Postponed) |
| 8 | 1 May 2020, Friday | Labor Day |
| 9 | 6 May 2020, Wednesday | Visakha Bucha Day |
| 10 | 4 July 2020, Saturday | Substitution for Songkran Day |
| 11 | 6 July 2020, Monday | Buddhist Lent Day |
| 12 | 7 July 2020, Tuesday | Substitution for Asanha Bucha Day |
| 13 | 25 July 2020, Saturday | Substitution for Songkran Day |
| 14 | 27 July 2020, Monday | Substitution for Songkran Day |
| 15 | 28 July 2020, Tuesday | His Majesty King Maha Vajiralongkorn’s Birthday |
| 16 | 12 August 2020, Wednesday | Her Majesty the Queen’s Birthday |
| 17 | 7 Sebtember 2020, Monday | Substitution for Songkran Day |
| 18 | 13 October 2020, Tuesday | His Majesty the late King Bhumibol Adulyadej Memorial Day |
| 19 | 23 October 2020, Friday | King Chulalongkorn Memorial Day |
| 20 | 5 December 2020, Saturday | The birthday of His Majesty the late King Bhumibol Adulyadej |
| 21 | 30 December 2020, Wednesday | New Year’s Eve |
| 22 | 31 December 2020, Thursday | New Year’s Eve |
| 23 | 1 January 2021, Friday | New Year’s Eve |
| 24 | 2 January 2021, Saturday | New Year’s Eve |
*schedule is subject to change as appropriate.