261.

September equinox Day and night have equal length: the beginning of astronomical autumn in the northern hemisphere. Tue, 22 Sep 1981 at 22:58 EDT (16,301 days ago) in Virgo

262.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Fri, 03 Jul 1981 at 19:03 EDT (16,382 days ago) in Pisces

263.

June solstice 21 June will be the longest day of 1981 in the northern hemisphere. Sun, 21 Jun 1981 at 07:38 EDT (16,394 days ago) in Gemini

264.

March equinox Day and night have equal length: the beginning of astronomical spring in the northern hemisphere. Fri, 20 Mar 1981 at 11:57 EDT (16,487 days ago) in Pisces

265.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 01 Jan 1981 at 20:41 EDT (16,565 days ago) in Pisces

266.

December solstice 21 December will be the shortest day of 1980 in the northern hemisphere. Sun, 21 Dec 1980 at 11:51 EDT (16,576 days ago) in Sagittarius

267.

September equinox Day and night have equal length: the beginning of astronomical autumn in the northern hemisphere. Mon, 22 Sep 1980 at 17:03 EDT (16,666 days ago) in Virgo

268.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 05 Jul 1980 at 13:43 EDT (16,745 days ago) in Pisces

269.

June solstice 21 June will be the longest day of 1980 in the northern hemisphere. Sat, 21 Jun 1980 at 01:42 EDT (16,759 days ago) in Gemini

270.

March equinox Day and night have equal length: the beginning of astronomical spring in the northern hemisphere. Thu, 20 Mar 1980 at 06:05 EDT (16,852 days ago) in Pisces

271.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 03 Jan 1980 at 09:44 EDT (16,929 days ago) in Pisces

272.

December solstice 22 December will be the shortest day of 1979 in the northern hemisphere. Sat, 22 Dec 1979 at 06:06 EDT (16,941 days ago) in Sagittarius

273.

September equinox Day and night have equal length: the beginning of astronomical autumn in the northern hemisphere. Sun, 23 Sep 1979 at 11:13 EDT (17,031 days ago) in Virgo

274.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 03 Jul 1979 at 17:03 EDT (17,113 days ago) in Pisces

275.

June solstice 21 June will be the longest day of 1979 in the northern hemisphere. Thu, 21 Jun 1979 at 19:53 EDT (17,125 days ago) in Gemini

276.

March equinox Day and night have equal length: the beginning of astronomical spring in the northern hemisphere. Wed, 21 Mar 1979 at 00:20 EDT (17,217 days ago) in Pisces

277.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 04 Jan 1979 at 17:35 EDT (17,293 days ago) in Pisces

278.

December solstice 22 December will be the shortest day of 1978 in the northern hemisphere. Fri, 22 Dec 1978 at 00:19 EDT (17,306 days ago) in Sagittarius

279.

September equinox Day and night have equal length: the beginning of astronomical autumn in the northern hemisphere. Sat, 23 Sep 1978 at 05:24 EDT (17,396 days ago) in Virgo

280.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 04 Jul 1978 at 20:18 EDT (17,477 days ago) in Pisces