Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere. During an equinox, the center of the sun is on the same plane as the equator. After the vernal equinox in March, the Northern Hemisphere tilts toward the sun until the June solstice, when the sun begins to migrate back south.

No. As Spectrum News reported, because it takes Earth 365.25 days to complete a rotation around the sun, that extra quarter of a day makes the spring equinox fluctuate from year to year. Next year, the spring equinox will occur on Friday, March 20, 2026. Related: 27 Spring Recipes To Welcome Warmer Days Because 'We Can't' With Winter Anymore

The spring equinox - also known as vernal equinox - marks the first day of spring in the northern hemisphere, according to the Old Farmer's Almanac. It occurs when the sun is directly above the equator, resulting in nearly equal daylight and night hours.

It’s far too early to try to fry an egg on the sidewalk, but according to weather lore, the spring equinox is an ideal time to try to balance an egg!