261.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Tue, 22 Sep 1981 at 22:58 EDT (15,946 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 (16,027 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 (16,039 days ago) in Gemini

264.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Fri, 20 Mar 1981 at 11:57 EDT (16,132 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 (16,210 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 (16,221 days ago) in Sagittarius

267.

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 (16,311 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 (16,390 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 (16,404 days ago) in Gemini

270.

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 (16,497 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 (16,574 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 (16,586 days ago) in Sagittarius

273.

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 (16,676 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 (16,758 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 (16,770 days ago) in Gemini

276.

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 (16,862 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 (16,938 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 (16,951 days ago) in Sagittarius

279.

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 (17,041 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 (17,122 days ago) in Pisces