On March 20, winter officially ends with the arrival of the astronomical spring in the Northern Hemisphere.

The Northern Hemisphere’s fall — or autumnal — equinox can land between Sept. 21 and 24, depending on the year. Its spring — ...

The spring equinox marks the day where the Northern and Southern hemispheres have as close to equal sunlight as possible.

The spring equinox marks the official start of spring. Find out when it arrives in 2026 and what weather to expect.

After a long, cold winter, the vernal equinox heralds the arrival of spring in the Northern Hemisphere. But have you heard ...