March Long Weekend 2025 South Australia. Adelaide cup day in south australia falls on the second monday of every march and is also known as march public holiday. Mark your calendar with the 2025 dates for public and school holidays to help plan your next getaway to explore our backyard or to unwind and relax at home.

Visit sa.gov.au for the original release. Australians love a long weekend — and with some clever annual leave planning, 2025 offers plenty of opportunities to stretch your time off into extended breaks.