This phenomenon occurs twice a year, with the vernal equinox marking the onset of spring. At 5:01 a.m. EST (0901 GMT) on March 20, the sun crosses the celestial equator, moving from the Southern ...

Discover the significance of the spring equinox, the balance of day and night, and how cultures around the world celebrate ...

Spring equinox means the first official day of spring is here. Discover the science and traditions of what’s also called the ...

As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

MUSCAT: The vernal equinox in the Sultanate of Oman will begin today, March 20, marking the astronomical commencement of ...