Spring is almost here — officially, at least. The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in the Southern Hemisphere ...

State weather bureau PAGASA said Thursday that the day and night will share nearly the same length around the world on Thursday, March 20, due to the vernal equinox.

The vernal equinox marks the end of winter and the beginning of spring, while the autumnal equinox marks the end of summer and the beginning of autumn. December Solstice Bonus astronomy lesson! Earth ...

The Northern Hemisphere’s spring — or vernal — equinox can land between March 19 and 21, depending on the year. Its fall – or autumnal — equinox can land between Sept. 21 and 24.

Summer solstice 2025: Friday marks 1st day of summer, with 15 hours of sunlight This year in the Chicago area, the longest day of the year comes with extreme heat warnings, watches and advisories ...

You can observe a star in the northern sky that brightens and dims regularly.