301.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sun, 04 Jul 1971 at 00:13 EDT (19,287 days ago) in Pisces

302.

June solstice 22 June will be the longest day of 1971 in the northern hemisphere. Mon, 21 Jun 1971 at 21:24 EDT (19,300 days ago) in Gemini

303.

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 (19,392 days ago) in Pisces

304.

The Earth at perihelion The Earth reaches its closest point to the Sun. Mon, 04 Jan 1971 at 13:31 EDT (19,468 days ago) in Pisces

305.

December solstice 22 December will be the shortest day of 1970 in the northern hemisphere. Tue, 22 Dec 1970 at 01:39 EDT (19,481 days ago) in Sagittarius

306.

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 (19,571 days ago) in Virgo

307.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 04 Jul 1970 at 10:50 EDT (19,652 days ago) in Pisces

308.

June solstice 21 June will be the longest day of 1970 in the northern hemisphere. Sun, 21 Jun 1970 at 15:45 EDT (19,665 days ago) in Gemini

309.

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 (19,758 days ago) in Pisces

310.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 01 Jan 1970 at 16:08 EDT (19,836 days ago) in Pisces

311.

December solstice 22 December will be the shortest day of 1969 in the northern hemisphere. Sun, 21 Dec 1969 at 19:45 EDT (19,847 days ago) in Sagittarius

312.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Tue, 23 Sep 1969 at 01:08 EDT (19,936 days ago) in Virgo

313.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 05 Jul 1969 at 15:53 EDT (20,016 days ago) in Pisces

314.

June solstice 21 June will be the longest day of 1969 in the northern hemisphere. Sat, 21 Jun 1969 at 09:55 EDT (20,030 days ago) in Gemini

315.

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 1969 at 14:08 EDT (20,123 days ago) in Pisces

316.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 02 Jan 1969 at 20:06 EDT (20,200 days ago) in Pisces

317.

December solstice 21 December will be the shortest day of 1968 in the northern hemisphere. Sat, 21 Dec 1968 at 13:59 EDT (20,212 days ago) in Sagittarius

318.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Sun, 22 Sep 1968 at 19:24 EDT (20,302 days ago) in Virgo

319.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 02 Jul 1968 at 15:55 EDT (20,384 days ago) in Pisces

320.

June solstice 21 June will be the longest day of 1968 in the northern hemisphere. Fri, 21 Jun 1968 at 04:11 EDT (20,395 days ago) in Gemini