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 19:58 PDT (15,988 days ago) in Virgo

262.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Fri, 03 Jul 1981 at 16:03 PDT (16,069 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 04:38 PDT (16,081 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 08:57 PDT (16,174 days ago) in Pisces

265.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 01 Jan 1981 at 17:41 PDT (16,252 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 08:51 PDT (16,263 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 14:03 PDT (16,353 days ago) in Virgo

268.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 05 Jul 1980 at 10:43 PDT (16,432 days ago) in Pisces

269.

June solstice 21 June will be the longest day of 1980 in the northern hemisphere. Fri, 20 Jun 1980 at 22:42 PDT (16,447 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 03:05 PDT (16,539 days ago) in Pisces

271.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 03 Jan 1980 at 06:44 PDT (16,616 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 03:06 PDT (16,628 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 08:13 PDT (16,718 days ago) in Virgo

274.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 03 Jul 1979 at 14:03 PDT (16,800 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 16:53 PDT (16,812 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. Tue, 20 Mar 1979 at 21:20 PDT (16,905 days ago) in Pisces

277.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 04 Jan 1979 at 14:35 PDT (16,980 days ago) in Pisces

278.

December solstice 22 December will be the shortest day of 1978 in the northern hemisphere. Thu, 21 Dec 1978 at 21:19 PDT (16,994 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 02:24 PDT (17,083 days ago) in Virgo

280.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 04 Jul 1978 at 17:18 PDT (17,164 days ago) in Pisces