401.

The Earth at perihelion The Earth reaches its closest point to the Sun. Mon, 02 Jan 1956 at 08:23 EDT (24,976 days ago) in Pisces

402.

December solstice 22 December will be the shortest day of 1955 in the northern hemisphere. Thu, 22 Dec 1955 at 10:17 EDT (24,987 days ago) in Sagittarius

403.

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 1955 at 15:47 EDT (25,077 days ago) in Virgo

404.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 04 Jul 1955 at 18:04 EDT (25,158 days ago) in Pisces

405.

June solstice 22 June will be the longest day of 1955 in the northern hemisphere. Wed, 22 Jun 1955 at 00:38 EDT (25,170 days ago) in Gemini

406.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Mon, 21 Mar 1955 at 04:42 EDT (25,263 days ago) in Pisces

407.

The Earth at perihelion The Earth reaches its closest point to the Sun. Tue, 04 Jan 1955 at 07:20 EDT (25,339 days ago) in Pisces

408.

December solstice 22 December will be the shortest day of 1954 in the northern hemisphere. Wed, 22 Dec 1954 at 04:31 EDT (25,352 days ago) in Sagittarius

409.

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 1954 at 10:02 EDT (25,442 days ago) in Virgo

410.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 03 Jul 1954 at 15:53 EDT (25,524 days ago) in Pisces

411.

June solstice 21 June will be the longest day of 1954 in the northern hemisphere. Mon, 21 Jun 1954 at 19:01 EDT (25,536 days ago) in Gemini

412.

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 1954 at 22:59 EDT (25,629 days ago) in Pisces

413.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 02 Jan 1954 at 03:18 EDT (25,706 days ago) in Pisces

414.

December solstice 22 December will be the shortest day of 1953 in the northern hemisphere. Mon, 21 Dec 1953 at 22:37 EDT (25,718 days ago) in Sagittarius

415.

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 1953 at 04:11 EDT (25,807 days ago) in Virgo

416.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sun, 05 Jul 1953 at 14:18 EDT (25,887 days ago) in Pisces

417.

June solstice 21 June will be the longest day of 1953 in the northern hemisphere. Sun, 21 Jun 1953 at 13:05 EDT (25,901 days ago) in Gemini

418.

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 1953 at 17:05 EDT (25,994 days ago) in Pisces

419.

The Earth at perihelion The Earth reaches its closest point to the Sun. Fri, 02 Jan 1953 at 01:37 EDT (26,071 days ago) in Pisces

420.

December solstice 21 December will be the shortest day of 1952 in the northern hemisphere. Sun, 21 Dec 1952 at 16:47 EDT (26,083 days ago) in Sagittarius