First weekday
Monday
Last weekday
Wednesday
December 2025 in Australia has 31 days, begins on Monday, ends on Wednesday, and includes 10 local holidays.
Online calendar
View the full December 2025 calendar for Australia with local holidays, month facts, and quick links to nearby dates.
Australia time
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Australia December 2025 Calendar
First weekday
Monday
Last weekday
Wednesday
December 2025 in Australia has 31 days, begins on Monday, ends on Wednesday, and includes 10 local holidays.