241.

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 (15,945 days ago) in Virgo

242.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 05 Jul 1980 at 13:43 EDT (16,024 days ago) in Pisces

243.

June solstice 21 June will be the longest day of 1980 in the northern hemisphere. Sat, 21 Jun 1980 at 01:42 EDT (16,038 days ago) in Gemini

244.

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 (16,131 days ago) in Pisces

245.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 03 Jan 1980 at 09:44 EDT (16,208 days ago) in Pisces

246.

December solstice 22 December will be the shortest day of 1979 in the northern hemisphere. Sat, 22 Dec 1979 at 06:06 EDT (16,220 days ago) in Sagittarius

247.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Sun, 23 Sep 1979 at 11:13 EDT (16,310 days ago) in Virgo

248.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 03 Jul 1979 at 17:03 EDT (16,392 days ago) in Pisces

249.

June solstice 21 June will be the longest day of 1979 in the northern hemisphere. Thu, 21 Jun 1979 at 19:53 EDT (16,404 days ago) in Gemini

250.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Wed, 21 Mar 1979 at 00:20 EDT (16,496 days ago) in Pisces

251.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 04 Jan 1979 at 17:35 EDT (16,572 days ago) in Pisces

252.

December solstice 22 December will be the shortest day of 1978 in the northern hemisphere. Fri, 22 Dec 1978 at 00:19 EDT (16,585 days ago) in Sagittarius

253.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Sat, 23 Sep 1978 at 05:24 EDT (16,675 days ago) in Virgo

254.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 04 Jul 1978 at 20:18 EDT (16,756 days ago) in Pisces

255.

June solstice 21 June will be the longest day of 1978 in the northern hemisphere. Wed, 21 Jun 1978 at 14:09 EDT (16,769 days ago) in Gemini

256.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Mon, 20 Mar 1978 at 18:34 EDT (16,862 days ago) in Pisces

257.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sun, 01 Jan 1978 at 18:18 EDT (16,940 days ago) in Pisces

258.

December solstice 21 December will be the shortest day of 1977 in the northern hemisphere. Wed, 21 Dec 1977 at 18:24 EDT (16,951 days ago) in Sagittarius

259.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Thu, 22 Sep 1977 at 23:31 EDT (17,041 days ago) in Virgo

260.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 05 Jul 1977 at 16:28 EDT (17,120 days ago) in Pisces