221.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Mon, 22 Sep 1980 at 17:03 EDT (15,944 days ago) in Virgo

222.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 05 Jul 1980 at 13:43 EDT (16,023 days ago) in Pisces

223.

June solstice 21 June will be the longest day of 1980 in the northern hemisphere. Sat, 21 Jun 1980 at 01:42 EDT (16,037 days ago) in Gemini

224.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Thu, 20 Mar 1980 at 06:05 EDT (16,130 days ago) in Pisces

225.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 03 Jan 1980 at 09:44 EDT (16,207 days ago) in Pisces