This story was updated to add new information. Spring has sprung, bringing warmer days and blooming flowers. Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere.

For the second time in 2025, an incredible astronomical event is about to change the seasons on Earth. The September equinox is almost upon us, with autumn about to begin in the Northern Hemisphere, ...

Meteorological spring began on March 1, while astronomical spring starts on the vernal equinox. The vernal equinox marks the astronomical first day of spring and falls on Thursday, March 20, 2025.

The Spring Equinox, occurring between March 19 and 21, marks a celestial balance where day and night are equal. This event symbolizes growth, renewal, and a shift toward longer, brighter days. If ...

Warmer days and blossoming flowers are signs that spring is upon us. Spring officially begins on Friday, March 20 at precisely 10:46 a.m. ET, when the sun's rays fall directly on the equator, ...

The spring equinox, also called the vernal equinox, marks the official start of spring in the northern hemisphere. It occurs when the sun shines directly on the equator, resulting in nearly equal ...

Meteorological spring starts on March 1 and is based on annual temperature cycles, while astronomical spring starts on March 20 and is based on the Earth's position relative to the sun. The vernal ...