Iranians celebrate their new year, or Nowruz, with arrival of the spring. Credit: AP/Vahid Salemi The word equinox comes from two Latin words meaning equal and night. That’s because on the ...

On March 20, 2025, the day of the vernal equinox, spring begins in the Northern Hemisphere at 5:01 a.m. ET. The word “equinox” is derived from the Latin words for “equal” and “night ...

What is the autumnal equinox, and how long are the days now? The word “equinox” is derived from the Latin words for “equal” and “night,” given that the daylight and nighttime hours on ...

“The word equinox comes from the Latin words for ‘equal night’ aequus (equal) and nox (night). On the equinox, the length of day and night is nearly equal in all parts of the world ...