401.

The Earth at perihelion The Earth reaches its closest point to the Sun. Mon, 02 Jan 1956 at 08:23 EDT (25,016 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 (25,027 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 (25,117 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 (25,198 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 (25,210 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 (25,303 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 (25,379 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 (25,392 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 (25,482 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 (25,564 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 (25,576 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 (25,669 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 (25,746 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 (25,758 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 (25,847 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 (25,927 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 (25,941 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 (26,034 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 (26,111 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 (26,123 days ago) in Sagittarius