Public holidays
1921, Australia, South Australia
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1921 | New Year's Day |
| Monday, 3 January 1921 | New Year's Day Observance | |
| 2 | Wednesday, 26 January 1921 | Australia Day |
| 3 | Monday, 14 March 1921 | Canberra Day/Adelaide Cup/Eight Hours Day/Labour Day |
| 4 | Friday, 25 March 1921 | Good Friday |
| 5 | Saturday, 26 March 1921 | Easter Saturday |
| 6 | Monday, 28 March 1921 | Easter Monday |
| 7 | Monday, 25 April 1921 | Anzac Day |
| 8 | Monday, 13 June 1921 | King's Birthday |
| 9 | Monday, 3 October 1921 | Labour Day/King's Birthday |
| 10 | Sunday, 25 December 1921 | Christmas Day |
| Monday, 26 December 1921 | Christmas Day Observance | |
| Tuesday, 27 December 1921 | Boxing Day Observance/Proclamation Day Observance |