International Day of Women and Girls in Science
10 - 11th February
Lunar New Year
17th February - 3rd March
SeaWeek Australia
28th February - 8th March 2026
Clean Up Australia Day
1st March
Holi - Festival of spring, love, and new life
14th - 15th March
Harmony Week
15th - 22nd March
St Patrick's Day
17th March
Earth Hour Schools Day
22nd March
International Dance Day
29th April
International Astronomy Day
18th May
Dinosaur Day
20th May and 1st June
World Day for Cultural Diversity
21st May
International Day for Biological Diversity
22nd May
World Environment Day
5th June
World Oceans Day
8th June
World Music Day
21st June
Insect Week
22nd - 28th June
The Moon Landings
20th July
Keep Australia Beautiful
3rd - 9th August
National Science Week
15th - 23rd August
National Biodiversity Month
September
Health & Physical Education Day
6th September
World Animal Day
4th October
World Space Week
5th – 12th October
Diwali
6th - 12th October
Children's Week
17th - 25th October
Moon Festival
25th October
Australian Pollinator Week
9th – 15th November
World Pollution Prevention Day
2nd December