301.

The Earth at perihelion The Earth reaches its closest point to the Sun. Tue, 02 Jan 1973 at 06:59 EDT (18,795 days ago) in Pisces

302.

December solstice 21 December will be the shortest day of 1972 in the northern hemisphere. Thu, 21 Dec 1972 at 13:19 EDT (18,807 days ago) in Sagittarius

303.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Fri, 22 Sep 1972 at 18:39 EDT (18,897 days ago) in Virgo

304.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Wed, 05 Jul 1972 at 12:58 EDT (18,976 days ago) in Pisces

305.

June solstice 21 June will be the longest day of 1972 in the northern hemisphere. Wed, 21 Jun 1972 at 03:12 EDT (18,990 days ago) in Gemini

306.

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 1972 at 07:27 EDT (19,083 days ago) in Pisces

307.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sun, 02 Jan 1972 at 23:13 EDT (19,160 days ago) in Pisces

308.

December solstice 22 December will be the shortest day of 1971 in the northern hemisphere. Wed, 22 Dec 1971 at 07:29 EDT (19,172 days ago) in Sagittarius

309.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Thu, 23 Sep 1971 at 12:49 EDT (19,262 days ago) in Virgo

310.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sun, 04 Jul 1971 at 00:13 EDT (19,343 days ago) in Pisces

311.

June solstice 22 June will be the longest day of 1971 in the northern hemisphere. Mon, 21 Jun 1971 at 21:24 EDT (19,356 days ago) in Gemini

312.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Sun, 21 Mar 1971 at 01:42 EDT (19,448 days ago) in Pisces

313.

The Earth at perihelion The Earth reaches its closest point to the Sun. Mon, 04 Jan 1971 at 13:31 EDT (19,524 days ago) in Pisces

314.

December solstice 22 December will be the shortest day of 1970 in the northern hemisphere. Tue, 22 Dec 1970 at 01:39 EDT (19,537 days ago) in Sagittarius

315.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Wed, 23 Sep 1970 at 07:02 EDT (19,627 days ago) in Virgo

316.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 04 Jul 1970 at 10:50 EDT (19,708 days ago) in Pisces

317.

June solstice 21 June will be the longest day of 1970 in the northern hemisphere. Sun, 21 Jun 1970 at 15:45 EDT (19,721 days ago) in Gemini

318.

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 1970 at 19:58 EDT (19,814 days ago) in Pisces

319.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 01 Jan 1970 at 16:08 EDT (19,892 days ago) in Pisces

320.

December solstice 22 December will be the shortest day of 1969 in the northern hemisphere. Sun, 21 Dec 1969 at 19:45 EDT (19,903 days ago) in Sagittarius