what is the first day of spring 2026

The first day of spring in 2026 (astronomical spring in the Northern Hemisphere) is Friday, March 20, 2026, with the spring equinox occurring at 10:46 a.m. EDT (14:46 UTC).

For a quick reference:

• Date: March 20, 2026.

• Day of the week: Friday.

• Event: Spring (vernal) equinox, marking the official start of astronomical spring in the Northern Hemisphere.

If you’re in a different time zone, the calendar date is still March 20, 2026; only the exact clock time of the equinox shifts based on local time.