Spring gets its official start Thursday in the Northern Hemisphere with the arrival of the vernal equinox. But what does that mean?

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.

During the Northern Hemisphere’s summer solstice, the upper half of the earth is tilted toward the sun, creating the longest ...

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.

That’s because on the equinox, day and night last almost the same amount of time — though one may get a few extra minutes, depending on where you are on the planet. The Northern Hemisphere’s spring — ...

Peak sunshine has arrived in the Northern Hemisphere — the summer solstice. Friday is the longest day of the year north of ...

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.

For the Northern Hemisphere the Summer Solstice, the longest day of the year, occurs around June 20-22 when the Sun is directly over the Tropic of Cancer.