261.

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 (16,302 days ago) in Virgo

262.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 03 Jul 1979 at 17:03 EDT (16,384 days ago) in Pisces

263.

June solstice 21 June will be the longest day of 1979 in the northern hemisphere. Thu, 21 Jun 1979 at 19:53 EDT (16,396 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. Wed, 21 Mar 1979 at 00:20 EDT (16,488 days ago) in Pisces

265.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 04 Jan 1979 at 17:35 EDT (16,564 days ago) in Pisces

266.

December solstice 22 December will be the shortest day of 1978 in the northern hemisphere. Fri, 22 Dec 1978 at 00:19 EDT (16,577 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. Sat, 23 Sep 1978 at 05:24 EDT (16,667 days ago) in Virgo

268.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 04 Jul 1978 at 20:18 EDT (16,748 days ago) in Pisces

269.

June solstice 21 June will be the longest day of 1978 in the northern hemisphere. Wed, 21 Jun 1978 at 14:09 EDT (16,761 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. Mon, 20 Mar 1978 at 18:34 EDT (16,854 days ago) in Pisces

271.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sun, 01 Jan 1978 at 18:18 EDT (16,932 days ago) in Pisces

272.

December solstice 21 December will be the shortest day of 1977 in the northern hemisphere. Wed, 21 Dec 1977 at 18:24 EDT (16,943 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. Thu, 22 Sep 1977 at 23:31 EDT (17,033 days ago) in Virgo

274.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 05 Jul 1977 at 16:28 EDT (17,112 days ago) in Pisces

275.

June solstice 21 June will be the longest day of 1977 in the northern hemisphere. Tue, 21 Jun 1977 at 08:16 EDT (17,126 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. Sun, 20 Mar 1977 at 12:45 EDT (17,219 days ago) in Pisces

277.

The Earth at perihelion The Earth reaches its closest point to the Sun. Mon, 03 Jan 1977 at 04:53 EDT (17,295 days ago) in Pisces

278.

December solstice 21 December will be the shortest day of 1976 in the northern hemisphere. Tue, 21 Dec 1976 at 12:38 EDT (17,308 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. Wed, 22 Sep 1976 at 17:52 EDT (17,398 days ago) in Virgo

280.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Fri, 02 Jul 1976 at 23:19 EDT (17,480 days ago) in Pisces