With the spring equinox, a new season begins: place in renewal and light! We explain everything to you on this phenomenon and what it symbolizes.
With the spring equinox, nature wakes up and the days are lengthening. Each year, in March, this phenomenon marks the passage from winter to spring in the northern hemisphere. What does this astronomical transition really mean, and how long lasts this season synonymous with renewal?
What are the spring dates in 2025?
The spring season begins on Thursday March 20, 2025 and ends on Saturday June 21, 2025. If the end of spring still falls on June 21, the first day of spring can however vary between 19, 20 and 21 March. Most of the time, the spring season is spread over three months, from March to June. According to data from the Institute of Celestial Mechanics and Calculation of Ephemeris (IMCCE) in Paris, the spring equinox occurs at 9:01m 25S UT on Thursday, March 2025.
What is the spring equinox?
The spring equinox is a astronomical event particular. The term “equinox” comes from Latin æquinoctium which results in “equal night”. Concretely, The equinox corresponds to the time of the year when the day and the night are of an identical duration, 12 hours. From an astronomical point of view, the equinox is due to the perfect alignment of the celestial equator of the earth with the sun. The axis of rotation of the earth is tilted about 23 ° compared to the plane of its orbit, which means that the sun shines directly on the equator and on the northern hemisphere.
