421.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Mon, 22 Sep 1952 at 22:28 EDT (26,187 days ago) in Virgo

422.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Wed, 02 Jul 1952 at 22:18 EDT (26,269 days ago) in Pisces

423.

June solstice 21 June will be the longest day of 1952 in the northern hemisphere. Sat, 21 Jun 1952 at 07:16 EDT (26,280 days ago) in Gemini

424.

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 1952 at 11:17 EDT (26,373 days ago) in Pisces

425.

The Earth at perihelion The Earth reaches its closest point to the Sun. Fri, 04 Jan 1952 at 15:41 EDT (26,449 days ago) in Pisces

426.

December solstice 22 December will be the shortest day of 1951 in the northern hemisphere. Sat, 22 Dec 1951 at 11:02 EDT (26,462 days ago) in Sagittarius

427.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Sun, 23 Sep 1951 at 16:39 EDT (26,552 days ago) in Virgo

428.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Wed, 04 Jul 1951 at 16:53 EDT (26,633 days ago) in Pisces

429.

June solstice 22 June will be the longest day of 1951 in the northern hemisphere. Fri, 22 Jun 1951 at 01:27 EDT (26,645 days ago) in Gemini

430.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Wed, 21 Mar 1951 at 05:27 EDT (26,738 days ago) in Pisces

431.

The Earth at perihelion The Earth reaches its closest point to the Sun. Mon, 01 Jan 1951 at 22:51 EDT (26,817 days ago) in Pisces

432.

December solstice 22 December will be the shortest day of 1950 in the northern hemisphere. Fri, 22 Dec 1950 at 05:14 EDT (26,827 days ago) in Sagittarius

433.

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 1950 at 10:43 EDT (26,917 days ago) in Virgo

434.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Wed, 05 Jul 1950 at 18:30 EDT (26,997 days ago) in Pisces

435.

June solstice 21 June will be the longest day of 1950 in the northern hemisphere. Wed, 21 Jun 1950 at 19:35 EDT (27,011 days ago) in Gemini

436.

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 1950 at 23:34 EDT (27,103 days ago) in Pisces

437.

The Earth at perihelion The Earth reaches its closest point to the Sun. Tue, 03 Jan 1950 at 01:17 EDT (27,180 days ago) in Pisces