The worm moon got its name because, at this time of year, the ground is soft enough for earthworms to appear, according to the Farmers' Almanac.
A supermoon occurs when the moon appears larger and brighter owing to its closest approach to Earth.
This full moon is also called the "worm moon" (or sap moon) in the Northern Hemisphere.
PAGASA said the phenomenon will be seen clearly as the weather is expected to be fair.
During an equinox, the day and night are considered to be of equal duration.
Wednesday evening will bring the last supermoon of 2019 over Wichita skies - an event known as the "full worm moon" in some circles. The first was on January 21, and the second - the biggest and brightest supermoon of 2019 - was on february 19.
Iraqi Kurds celebrate Norwuz
The Super Snow Moon lit up the sky last month.
The actual equinox was scheduled to occur at 5:58 p.m. EDT Wednesday for those in the Northern Hemisphere and in the Southern Hemisphere, the fall season was set to begin. Eastern Time on Wednesday, March 20. It's the first time since 1981 that the spring equinox and a full moon coincide on the same day.
Ordinarily, the average distance between the moon and the Earth is about 383,000km, but at its peak the Worm Moon will about 359,000km away. Despite its slightly unsettlingly names the "worm moon" actually signifies the official start of spring which after a long awful winter, pretty much makes it my favorite moon of all time.
The equinox occurs twice a year, when the sun is exactly above the equator.
The reason why the moon is closer on some years and not others is because the moon's orbit around the Earth is not perfectly circular, but rather elliptical.
And if this week's full moon puts an extra spring in your step, who could blame you?
Netanyahu vows more Israeli settlements after attack kills 2
From there, the attacker drove to the Palestinian village of Bruqin, abandoned the vehicle and fled on foot, Col Conricus said. The army confirmed later that the dead Israeli was a soldier, Staff Sgt.