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Spring Equinox Arrives Friday at 14:46 UTC, Marking Start of Astronomical Spring

Daylight will continue to lengthen in the Northern Hemisphere, with the U.K. switching to British Summer Time on March 29.

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Trees blooming in South Orange, New Jersey, in April 2025.
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Overview

  • The 14:46 UTC moment falls at 10:46 a.m. EDT (9:46 a.m. CDT, 8:46 a.m. MDT, 7:46 a.m. PDT), according to TimeAndDate.com as reported by Forbes.
  • Astronomically, the equinox is when the sun crosses the celestial equator, bringing roughly equal day and night, per NASA.
  • True day–night equality (the 'equilux') was logged earlier in the U.K.—March 17 in northern areas and March 18 in the south—so daytime there already exceeds night.
  • After the equinox, daylight increases daily in the Northern Hemisphere until the June solstice, with a thin crescent moon appearing near Venus after sunset on March 20.
  • The occasion carries cultural and spiritual weight, aligning with the astrological new year as the sun enters Aries and informing the timing of holidays such as Passover and Easter.