This page displays the Gregorian calendar for the Gregorian month April 2021 - 1442 in Thailand. To display calendars of other months in Thailand, click on "Previous Month" or "Next Month". To display calendar of all the year in Thailand, click on "2021 Year Calendar". To display the Gregorian calendar in another country, select this country from the drop down list. Also, you can print the Gregorian calendar April 2021-1442 in Thailand or download it in a PDF format.
| Thursday | 1 April (Naysan) 2021 | 19 Sha'bān 1442 |
| Friday | 2 April (Naysan) 2021 | 20 Sha'bān 1442 |
| Saturday | 3 April (Naysan) 2021 | 21 Sha'bān 1442 |
| Sunday | 4 April (Naysan) 2021 | 22 Sha'bān 1442 |
| Monday | 5 April (Naysan) 2021 | 23 Sha'bān 1442 |
| Tuesday | 6 April (Naysan) 2021 | 24 Sha'bān 1442 |
| Wednesday | 7 April (Naysan) 2021 | 25 Sha'bān 1442 |
| Thursday | 8 April (Naysan) 2021 | 26 Sha'bān 1442 |
| Friday | 9 April (Naysan) 2021 | 27 Sha'bān 1442 |
| Saturday | 10 April (Naysan) 2021 | 28 Sha'bān 1442 |
| Sunday | 11 April (Naysan) 2021 | 29 Sha'bān 1442 |
| Monday | 12 April (Naysan) 2021 | 30 Sha'bān 1442 |
| Tuesday | 13 April (Naysan) 2021 | 1 Ramadān 1442 First of Ramadan |
| Wednesday | 14 April (Naysan) 2021 | 2 Ramadān 1442 |
| Thursday | 15 April (Naysan) 2021 | 3 Ramadān 1442 |
| Friday | 16 April (Naysan) 2021 | 4 Ramadān 1442 |
| Saturday | 17 April (Naysan) 2021 | 5 Ramadān 1442 |
| Sunday | 18 April (Naysan) 2021 | 6 Ramadān 1442 |
| Monday | 19 April (Naysan) 2021 | 7 Ramadān 1442 |
| Tuesday | 20 April (Naysan) 2021 | 8 Ramadān 1442 |
| Wednesday | 21 April (Naysan) 2021 | 9 Ramadān 1442 |
| Thursday | 22 April (Naysan) 2021 | 10 Ramadān 1442 |
| Friday | 23 April (Naysan) 2021 | 11 Ramadān 1442 |
| Saturday | 24 April (Naysan) 2021 | 12 Ramadān 1442 |
| Sunday | 25 April (Naysan) 2021 | 13 Ramadān 1442 |
| Monday | 26 April (Naysan) 2021 | 14 Ramadān 1442 |
| Tuesday | 27 April (Naysan) 2021 | 15 Ramadān 1442 |
| Wednesday | 28 April (Naysan) 2021 | 16 Ramadān 1442 |
| Thursday | 29 April (Naysan) 2021 | 17 Ramadān 1442 |
| Friday | 30 April (Naysan) 2021 | 18 Ramadān 1442 |
| Holiday | Day | Gregorian Date | Hijri Date |
| First of Ramadan | Tuesday | 13 April (Naysan) 2021 | 1 Ramadān 1442 |