vernal equinox

The odds also tend to increase around equinoxes — the vernal equinox occurred last week — due to a more favorable tilt in the Earth’s axis, Murtagh said.

In the Northern Hemisphere, the vernal equinox will officially take place this Tuesday, March 19, at 11:06 p.m.

Pretty much aligned with the vernal equinox, give or take a few days, St. Patrick’s Day lands just right on the calendar for a celebration.

Then, in March, nature will once again bring us the vernal equinox, the time of year that ushers in spring in the North.

For some, spring cleaning takes place around the time of the vernal equinox, which this year fell on March 20.