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 (20,514 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 (20,590 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 (20,603 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 (20,693 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 (20,773 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 (20,787 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 (20,879 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 (20,957 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 (20,968 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 (21,058 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 (21,138 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 (21,152 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 (21,245 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 (21,321 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 (21,334 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 (21,423 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 (21,505 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 (21,517 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 (21,610 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 (21,687 days ago) in Pisces