The Sun crosses the Celestial Equator this week, but what exactly does that mean?

In 2026, the spring equinox, also known as the vernal equinox, will take place on March 20, at 7:46 a.m. Eastern time.

What’s the difference between the two, and what is the reasoning for a different system? The most familiar to us is ...

The 2026 vernal equinox is March 20 at 10:46 a.m. EDT, marking the astronomical start of spring with nearly equal amounts of ...

Spring arrives this weekend, coinciding with the vernal equinox across West Texas, marking the official astronomical start of ...

This time of year, we're gaining roughly three minutes of daylight each day.

Add Yahoo as a preferred source to see more of our stories on Google. CHICOPEE, Mass. (WWLP) – Meteorological spring began on March 1, marking the start of a three-month period used by weather ...

Astronomical spring began yesterday, but the actual change of season is more gradual, a halting and nonlinear progression.

Meteorological spring starts on March 1 and is based on annual temperature cycles, while astronomical spring starts on March 20 and is based on the Earth's position relative to the sun. The spring ...

March 20 marks the first day of astronomical spring, the spring we recognize most. However, meteorological spring begins March 1. The reason for the different dates has to do with both weather and the ...