321.

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 (20,496 days ago) in Pisces

322.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 04 Jan 1968 at 13:02 EDT (20,572 days ago) in Pisces

323.

December solstice 22 December will be the shortest day of 1967 in the northern hemisphere. Fri, 22 Dec 1967 at 08:13 EDT (20,585 days ago) in Sagittarius

324.

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 (20,675 days ago) in Virgo

325.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Wed, 05 Jul 1967 at 10:28 EDT (20,755 days ago) in Pisces

326.

June solstice 22 June will be the longest day of 1967 in the northern hemisphere. Wed, 21 Jun 1967 at 22:18 EDT (20,769 days ago) in Gemini

327.

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 (20,861 days ago) in Pisces

328.

The Earth at perihelion The Earth reaches its closest point to the Sun. Mon, 02 Jan 1967 at 00:54 EDT (20,939 days ago) in Pisces

329.

December solstice 22 December will be the shortest day of 1966 in the northern hemisphere. Thu, 22 Dec 1966 at 02:23 EDT (20,950 days ago) in Sagittarius

330.

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 (21,040 days ago) in Virgo

331.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 05 Jul 1966 at 07:50 EDT (21,120 days ago) in Pisces

332.

June solstice 21 June will be the longest day of 1966 in the northern hemisphere. Tue, 21 Jun 1966 at 16:27 EDT (21,134 days ago) in Gemini

333.

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 1966 at 20:47 EDT (21,227 days ago) in Pisces

334.

The Earth at perihelion The Earth reaches its closest point to the Sun. Mon, 03 Jan 1966 at 17:47 EDT (21,303 days ago) in Pisces

335.

December solstice 22 December will be the shortest day of 1965 in the northern hemisphere. Tue, 21 Dec 1965 at 20:34 EDT (21,316 days ago) in Sagittarius

336.

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 1965 at 01:59 EDT (21,405 days ago) in Virgo

337.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 03 Jul 1965 at 04:21 EDT (21,487 days ago) in Pisces

338.

June solstice 21 June will be the longest day of 1965 in the northern hemisphere. Mon, 21 Jun 1965 at 10:48 EDT (21,499 days ago) in Gemini

339.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Sat, 20 Mar 1965 at 14:58 EDT (21,592 days ago) in Pisces

340.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 02 Jan 1965 at 14:16 EDT (21,669 days ago) in Pisces