Public holidays
2121, Australia, South Australia
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 2121 | New Year's Day |
| Monday, 27 January 2121 | Australia Day Observance | |
| 2 | Monday, 10 March 2121 | Canberra Day/Adelaide Cup/Eight Hours Day/Labour Day |
| 3 | Friday, 4 April 2121 | Good Friday |
| 4 | Saturday, 5 April 2121 | Easter Saturday |
| 5 | Sunday, 6 April 2121 | Easter Sunday |
| 6 | Monday, 7 April 2121 | Easter Monday |
| 7 | Friday, 25 April 2121 | Anzac Day |
| 8 | Monday, 9 June 2121 | King's Birthday |
| 9 | Monday, 6 October 2121 | Labour Day/King's Birthday |
| 10 | Thursday, 25 December 2121 | Christmas Day |
| 11 | Friday, 26 December 2121 | Boxing Day/Proclamation Day |