Here's what to know about the first day of spring. The first day of spring, or the vernal equinox, is determined by where the Earth is in its orbit around the sun. On this day, the Earth's axis is ...

The first day of spring represents the vernal equinox in the Northern Hemisphere, an astronomical event that occurs when the sun aligns with the Earth's equator. On the contrary, in the Southern ...

while the astronomical first day of spring varies based on the vernal equinox. Astronomical seasons depend on the Earth's position relative to the sun, while meteorological seasons are determined ...

meteorologists and climatologists consider March 1 the first day of spring. Astronomically speaking, however, the Earth’s equator is aligned directly with the Sun on the vernal equinox.

How is the first day of spring determined? The first day of spring, or the vernal equinox, is determined by where the Earth is in its orbit around the sun. On this day, the Earth’s axis is not ...