Public holidays
1457, Australia, South Australia
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, 1 January 1457 | New Year's Day |
| 2 | Monday, 26 January 1457 | Australia Day |
| 3 | Monday, 9 March 1457 | Canberra Day/Adelaide Cup/Eight Hours Day/Labour Day |
| 4 | Friday, 17 April 1457 | Good Friday |
| 5 | Saturday, 18 April 1457 | Easter Saturday |
| 6 | Monday, 20 April 1457 | Easter Monday |
| 7 | Saturday, 25 April 1457 | Anzac Day |
| 8 | Monday, 8 June 1457 | King's Birthday |
| 9 | Monday, 5 October 1457 | Labour Day/King's Birthday |
| 10 | Friday, 25 December 1457 | Christmas Day |
| 11 | Saturday, 26 December 1457 | Boxing Day/Proclamation Day |
| Monday, 28 December 1457 | Boxing Day Observance/Proclamation Day Observance |