New Year's Day
New Year's Day
Australia Day
Eight Hours Day
Good Friday
Easter Monday
Easter Tuesday
Anzac Day
King's Birthday
Christmas Day
Boxing Day
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 ‹ 1779
1780
1781 › 
# Date Public holiday
1Saturday, 1 January 1780 New Year's Day
Monday, 3 January 1780 New Year's Day Observance
2Wednesday, 26 January 1780 Australia Day
3Monday, 13 March 1780 Canberra Day/Adelaide Cup/Eight Hours Day/Labour Day
4Friday, 24 March 1780 Good Friday
5Monday, 27 March 1780 Easter Monday
6Tuesday, 28 March 1780 Easter Tuesday
7Tuesday, 25 April 1780 Anzac Day
8Monday, 12 June 1780 King's Birthday
9Monday, 25 December 1780 Christmas Day
10Tuesday, 26 December 1780 Boxing Day/Proclamation Day