321.

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 (19,978 days ago) in Virgo

322.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 05 Jul 1969 at 15:53 EDT (20,058 days ago) in Pisces

323.

June solstice 21 June will be the longest day of 1969 in the northern hemisphere. Sat, 21 Jun 1969 at 09:55 EDT (20,072 days ago) in Gemini

324.

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 (20,165 days ago) in Pisces

325.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 02 Jan 1969 at 20:06 EDT (20,242 days ago) in Pisces

326.

December solstice 21 December will be the shortest day of 1968 in the northern hemisphere. Sat, 21 Dec 1968 at 13:59 EDT (20,254 days ago) in Sagittarius

327.

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 (20,344 days ago) in Virgo

328.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 02 Jul 1968 at 15:55 EDT (20,426 days ago) in Pisces

329.

June solstice 21 June will be the longest day of 1968 in the northern hemisphere. Fri, 21 Jun 1968 at 04:11 EDT (20,437 days ago) in Gemini

330.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Wed, 20 Mar 1968 at 08:19 EDT (20,530 days ago) in Pisces

331.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 04 Jan 1968 at 13:02 EDT (20,606 days ago) in Pisces

332.

December solstice 22 December will be the shortest day of 1967 in the northern hemisphere. Fri, 22 Dec 1967 at 08:13 EDT (20,619 days ago) in Sagittarius

333.

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 1967 at 13:34 EDT (20,709 days ago) in Virgo

334.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Wed, 05 Jul 1967 at 10:28 EDT (20,789 days ago) in Pisces

335.

June solstice 22 June will be the longest day of 1967 in the northern hemisphere. Wed, 21 Jun 1967 at 22:18 EDT (20,803 days ago) in Gemini

336.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Tue, 21 Mar 1967 at 02:32 EDT (20,895 days ago) in Pisces

337.

The Earth at perihelion The Earth reaches its closest point to the Sun. Mon, 02 Jan 1967 at 00:54 EDT (20,973 days ago) in Pisces

338.

December solstice 22 December will be the shortest day of 1966 in the northern hemisphere. Thu, 22 Dec 1966 at 02:23 EDT (20,984 days ago) in Sagittarius

339.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Fri, 23 Sep 1966 at 07:37 EDT (21,074 days ago) in Virgo

340.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 05 Jul 1966 at 07:50 EDT (21,154 days ago) in Pisces