I hate to have to point out what should be casual to the most obvious observer, but "After the spring equinox, the Northern Hemisphere tilts toward the Sun, which is why we start to get longer, sunnier days." is only 6 months off, because the days start getting longer after the winter solstice.
I hate to have to point out what should be casual to the most obvious observer, but "After the spring equinox, the Northern Hemisphere tilts toward the Sun, which is why we start to get longer, sunnier days." is only 6 months off, because the days start getting longer after the winter solstice.