| Holiday Title | Date | Holiday Type | Area |
|---|---|---|---|
| New Year’s Day | Friday, 1 January 2021 | Public | WA Wide |
| Australia Day | Tuesday, 26 January 2021 | Public | WA Wide |
| Labour Day | Monday, 1 March 2021 | Public | WA Wide |
| Good Friday | Friday, 2 April 2021 | Public | WA Wide |
| Easter Monday | Monday, 5 April 2021 | Public | WA Wide |
| ANZAC Day | Sunday, 25 April 2021 | Public | WA Wide |
| ANZAC Day Additional Day* | Monday, 26 April 2021 | Public | WA Wide |
| Western Australia Day | Monday, 7 June 2021 | Public | WA Wide |
| Queen’s Birthday | Monday, 27 September 2021 | Public | WA Most Areas |
| Christmas Day | Saturday, 25 December 2021 | Public | WA Wide |
| Boxing Day | Sunday, 26 December 2021 | Public | WA Wide |
| Christmas Day Additional Day** | Monday, 27 December 2021 | Public | WA Wide |
| Boxing Day Additional Day** | Tuesday, 28 December 2021 | Public | WA Wide |
Notes:
*In 2021 ANZAC Day falls on Sunday, 25th of April. As a result there is an additional public holiday on Monday, 26th of April.
**In 2021 Christmas Day falls on Saturday, 25th December and Boxing Day falls on Sunday, 26th December. As a result there is an additional public holiday on Monday, 27th of December for Christmas and Tuesday, 28th December for Boxing Day.