Justin Grieser
Capital Weather Gang

Latest by Justin Grieser

Vernal Equinox 2015: Solar eclipse, supermoon kick off spring in the Northern Hemisphere

The spring equinox occurs today at 6:45 p.m. Eastern Daylight Time.

5 questions about the winter solstice

5 questions about the winter solstice

The official start of astronomical winter will be at 6:03 p.m. Eastern.

Autumn arrives: The fall equinox explained in six images

Autumn arrives: The fall equinox explained in six images

Monday marks the end of astronomical summer in the Northern Hemisphere. At 10:29 p.m., the sun can be seen directly overhead on the equator in the western Pacific.

First day of summer

The June solstice is here once again, marking the longest daylight period of the year and the start of astronomical summer in Earth’s northern hemisphere.