401.

June solstice 21 June will be the longest day of 1958 in the northern hemisphere. Sat, 21 Jun 1958 at 18:00 EDT (24,805 days ago) in Gemini

402.

March equinox Day and night have equal length: the beginning of astronomical spring in the northern hemisphere. Thu, 20 Mar 1958 at 22:09 EDT (24,898 days ago) in Pisces

403.

The Earth at perihelion The Earth reaches its closest point to the Sun. Fri, 03 Jan 1958 at 08:24 EDT (24,974 days ago) in Pisces

404.

December solstice 22 December will be the shortest day of 1957 in the northern hemisphere. Sat, 21 Dec 1957 at 21:52 EDT (24,987 days ago) in Sagittarius

405.

September equinox Day and night have equal length: the beginning of astronomical autumn in the northern hemisphere. Mon, 23 Sep 1957 at 03:30 EDT (25,076 days ago) in Virgo

406.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 02 Jul 1957 at 20:21 EDT (25,159 days ago) in Pisces

407.

June solstice 21 June will be the longest day of 1957 in the northern hemisphere. Fri, 21 Jun 1957 at 12:25 EDT (25,170 days ago) in Gemini

408.

March equinox Day and night have equal length: the beginning of astronomical spring in the northern hemisphere. Wed, 20 Mar 1957 at 16:22 EDT (25,263 days ago) in Pisces

409.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 03 Jan 1957 at 01:29 EDT (25,339 days ago) in Pisces

410.

December solstice 21 December will be the shortest day of 1956 in the northern hemisphere. Fri, 21 Dec 1956 at 16:05 EDT (25,352 days ago) in Sagittarius

411.

September equinox Day and night have equal length: the beginning of astronomical autumn in the northern hemisphere. Sat, 22 Sep 1956 at 21:41 EDT (25,442 days ago) in Virgo

412.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Wed, 04 Jul 1956 at 21:12 EDT (25,522 days ago) in Pisces

413.

June solstice 21 June will be the longest day of 1956 in the northern hemisphere. Thu, 21 Jun 1956 at 06:30 EDT (25,535 days ago) in Gemini

414.

March equinox Day and night have equal length: the beginning of astronomical spring in the northern hemisphere. Tue, 20 Mar 1956 at 10:27 EDT (25,628 days ago) in Pisces

415.

The Earth at perihelion The Earth reaches its closest point to the Sun. Mon, 02 Jan 1956 at 08:23 EDT (25,706 days ago) in Pisces

416.

December solstice 22 December will be the shortest day of 1955 in the northern hemisphere. Thu, 22 Dec 1955 at 10:17 EDT (25,717 days ago) in Sagittarius

417.

September equinox Day and night have equal length: the beginning of astronomical autumn in the northern hemisphere. Fri, 23 Sep 1955 at 15:47 EDT (25,807 days ago) in Virgo

418.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 04 Jul 1955 at 18:04 EDT (25,888 days ago) in Pisces

419.

June solstice 22 June will be the longest day of 1955 in the northern hemisphere. Wed, 22 Jun 1955 at 00:38 EDT (25,900 days ago) in Gemini

420.

March equinox Day and night have equal length: the beginning of astronomical spring in the northern hemisphere. Mon, 21 Mar 1955 at 04:42 EDT (25,993 days ago) in Pisces