Answer:
Summer Solstice (left)
Fall Equinox (bottom)
Winter Solstice (right)
Spring Equinox (top)
Explanation:
I used the image below as a reference. :D
The one to the far right is Winter. The one on top is Spring. The one to the far left would be Summer, and the one at the bottom would have to be Autumn.
Please let me know if I got it right.
