Public holidays
1666, Australia, Northern Territory
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1666 | New Year's Day |
| 2 | Tuesday, 26 January 1666 | Australia Day |
| 3 | Friday, 16 April 1666 | Good Friday |
| 4 | Saturday, 17 April 1666 | Easter Saturday |
| 5 | Sunday, 18 April 1666 | Easter Sunday |
| 6 | Monday, 19 April 1666 | Easter Monday |
| 7 | Sunday, 25 April 1666 | Anzac Day |
| Monday, 26 April 1666 | Anzac Day observance | |
| 8 | Monday, 3 May 1666 | May Day/Labour Day |
| 9 | Monday, 14 June 1666 | King's Birthday |
| 10 | Monday, 2 August 1666 | Bank Holiday/Picnic Day |
| 11 | Saturday, 25 December 1666 | Christmas Day |
| 12 | Sunday, 26 December 1666 | Boxing Day/Proclamation Day |
| Monday, 27 December 1666 | Christmas Day Observance | |
| Tuesday, 28 December 1666 | Boxing Day Observance/Proclamation Day Observance |