What is the official first day of spring in Australia?
That’s why in the earth’s southern areas, the September Equinox is known as the Spring Equinox. In 2021, the official first day of spring in Australia (southern hemisphere) will occur on Thursday, September 23, at sharp 5:21 Australian Eastern Standard Time (AEST).
Why is spring on the 1st of September?
Here in Australia, most of us consider September 1 the first day of spring. In the truest sense, spring starts on or around September 21 (the date varies by a day or so each year), This is known as the spring equinox, and it heralds the day when the southern hemisphere receives more sun than the northern hemisphere.
Why has the date for spring changed?
The March equinox would occur on the same day every year if the Earth took exactly 365 days to make a complete revolution around the Sun. This means that each March equinox occurs about 6 hours later than the previous year’s March equinox. This is why the date of the equinox can change from year to year.
Does spring start on the 21st of September?
Astronomical spring In the Northern Hemisphere winter ends and spring starts at the moment of the March equinox, which occurs every year between March 19 and March 21. In the Southern Hemisphere spring lasts from the September equinox (September 21 to 24) to the December solstice (December 20 to 23).
Is September spring in Australia?
In Australia, the seasons are defined by grouping the calendar months in the following way: Spring – the three transition months September, October and November. Summer – the three hottest months December, January and February. Autumn – the transition months March, April and May.
What is first day of spring called?
equinox
Even today, the spring, or “vernal” equinox is often used to indicate the first day of spring, but what it really signifies is the astronomical start of spring, as opposed to the meteorological one.
What month is the hottest in Australia?
December to February is summer; March to May is autumn; June to August is winter; and September to November is spring. To compare all resorts in Australia, click here. See our complete list of travel specials for Australia..
What’s the coldest it gets in Australia?
The lowest minimum temperature was −23.0 °C (−9.4 °F) at Charlotte Pass on 29 June 1994 in the Snowy Mountains. This is also the lowest temperature recorded in the whole of Australia excluding Australian Antarctic Territory.