The moon's rotation will bring it 14,000 miles closer to earth, and it'll look 14% bigger and 30% brighter than usual, according to USA Today.
This is the first super worm equinox moon in 19 years, and follows a flurry of brilliant moons this season, including the super blue blood moon, super blood wolf moon and super snow moon. This will mark the exact moment of the March Equinox - Vernal Equinox in the northern hemisphere, and Autumnal Equinox in the southern hemisphere.
Those gazing up into the sky on Wednesday are set to witness an unusual event: a super worm moon that coincides with the equinox. The term equinox comes from the Latin word equinoxium, which means "equality between day and night". The Spring Equinox, the first day of the season, falls on Thursday.
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Sophie Yeomans, a meteorologist at the Met Office, said there is a good chance that sky-gazers, particularly in England, will be able to catch a glimpse of the super worm moon.
The very next Equinox Full Moon, on the night of March 20, 2038, will also be a supermoon!
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So with the grass going insane at least the evenings are getting longer and when the clocks go forward at the end of March there will again be plenty of time to get out and cut the lawn after work.
The pull of gravity from the other planets also affects the location of the Earth in its orbit, which affects the number of days in each season, the Farmers' Almanac says.
Spring officially begins in the Northern Hemisphere early Wednesday evening at 5:58 p.m. An equinox is considered to occur when Earth's equatorial plane passes directly through the centre of the sun.
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