401.

December solstice 22 December will be the shortest day of 1954 in the northern hemisphere. Wed, 22 Dec 1954 at 04:31 EDT (25,353 days ago) in Sagittarius

402.

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 (25,443 days ago) in Virgo

403.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 03 Jul 1954 at 15:53 EDT (25,525 days ago) in Pisces

404.

June solstice 21 June will be the longest day of 1954 in the northern hemisphere. Mon, 21 Jun 1954 at 19:01 EDT (25,537 days ago) in Gemini

405.

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 (25,630 days ago) in Pisces

406.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 02 Jan 1954 at 03:18 EDT (25,707 days ago) in Pisces

407.

December solstice 22 December will be the shortest day of 1953 in the northern hemisphere. Mon, 21 Dec 1953 at 22:37 EDT (25,719 days ago) in Sagittarius

408.

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 (25,808 days ago) in Virgo

409.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sun, 05 Jul 1953 at 14:18 EDT (25,888 days ago) in Pisces

410.

June solstice 21 June will be the longest day of 1953 in the northern hemisphere. Sun, 21 Jun 1953 at 13:05 EDT (25,902 days ago) in Gemini

411.

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 (25,995 days ago) in Pisces

412.

The Earth at perihelion The Earth reaches its closest point to the Sun. Fri, 02 Jan 1953 at 01:37 EDT (26,072 days ago) in Pisces

413.

December solstice 21 December will be the shortest day of 1952 in the northern hemisphere. Sun, 21 Dec 1952 at 16:47 EDT (26,084 days ago) in Sagittarius

414.

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 (26,174 days ago) in Virgo

415.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Wed, 02 Jul 1952 at 22:18 EDT (26,256 days ago) in Pisces

416.

June solstice 21 June will be the longest day of 1952 in the northern hemisphere. Sat, 21 Jun 1952 at 07:16 EDT (26,267 days ago) in Gemini

417.

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 (26,360 days ago) in Pisces

418.

The Earth at perihelion The Earth reaches its closest point to the Sun. Fri, 04 Jan 1952 at 15:41 EDT (26,436 days ago) in Pisces

419.

December solstice 22 December will be the shortest day of 1951 in the northern hemisphere. Sat, 22 Dec 1951 at 11:02 EDT (26,449 days ago) in Sagittarius

420.

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 (26,539 days ago) in Virgo