| 1 | Wednesday, 1 January 1631 | New Year's Day | 
| 2 | Sunday, 26 January 1631 | Australia Day | 
|  | Monday, 27 January 1631 | Australia Day Observance | 
| 3 | Friday, 18 April 1631 | Good Friday | 
| 4 | Saturday, 19 April 1631 | Easter Saturday | 
| 5 | Sunday, 20 April 1631 | Easter Sunday | 
| 6 | Monday, 21 April 1631 | Easter Monday | 
| 7 | Friday, 25 April 1631 | Anzac Day | 
| 8 | Monday, 9 June 1631 | King's Birthday | 
| 9 | Monday, 4 August 1631 | Bank Holiday/Picnic Day | 
| 10 | Monday, 6 October 1631 | Labour Day/King's Birthday | 
| 11 | Thursday, 25 December 1631 | Christmas Day | 
| 12 | Friday, 26 December 1631 | Boxing Day/Proclamation Day |