301.

The Earth at perihelion The Earth reaches its closest point to the Sun. Tue, 02 Jan 1973 at 06:59 EDT (18,801 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 (18,813 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 (18,903 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 (18,982 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 (18,996 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 (19,089 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 (19,166 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 (19,178 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 (19,268 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 (19,349 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 (19,362 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 (19,454 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 (19,530 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 (19,543 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 (19,633 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 (19,714 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 (19,727 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 (19,820 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 (19,898 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 (19,909 days ago) in Sagittarius