Public holidays
1644, Australia, Western Australia
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1644 | New Year's Day |
| 2 | Tuesday, 26 January 1644 | Australia Day |
| 3 | Monday, 7 March 1644 | Labour Day |
| 4 | Friday, 25 March 1644 | Good Friday |
| 5 | Sunday, 27 March 1644 | Easter Sunday |
| 6 | Monday, 28 March 1644 | Easter Monday |
| 7 | Monday, 25 April 1644 | Anzac Day |
| 8 | Monday, 6 June 1644 | Western Australia Day |
| 9 | Monday, 26 September 1644 | Queen's Birthday |
| 10 | Sunday, 25 December 1644 | Christmas Day |
| Monday, 26 December 1644 | Christmas Day Observance | |
| Tuesday, 27 December 1644 | Boxing Day Observance/Proclamation Day Observance |