Autumn Equinox 2017

2017 Autumnal Equinox

2017 Autumnal Equinox, September Equinox

Equinoxes happen on 21st or 20th March and 22nd or 23rd September both days and each year has equivalent length of the day and the night.

Throughout September it is autumn time in the Northern hemisphere and September Equinox is called Autumnal Equinox and Fall Equinox while it is spring time in the Southern hemisphere and September Equinox is called Vernal Equinox and Spring Equinox. Simply put on September Equinox it is autumn time in the UK, the USA, Canada, Russia, India and China while it is spring time in Australia, Argentina, Chile, New Zealand and South Africa.

To avoid any confusion Equinoxes are ideally referred as March Equinox (Northern Equinox) and September Equinox (Southern Equinox).

Throughout March it is spring time in the Northern hemisphere and March Equinox is called Vernal Equinox and Spring Equinox while it is autumn time in the Southern hemisphere and March Equinox is called Autumnal Equinox and Fall Equinox. Simply put on March Equinox it is spring time in the UK, the USA, Canada, Russia, India and China while it is autumn time in Australia, Argentina, Chile, New Zealand and South Africa.

An Equinox is an astronomical occasion that occurs twice, once in spring and once in autumn, each year when the tilt of the Earth’s axis tends neither far from nor to the Sun. Throughout Equinoxes the tilt of the Earth (with regard to the Sun) is 0 ° and since of it duration of the night and the day are nearly equal on Equinox day i.e. 12 hours.

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