161.

The Earth at perihelion The Earth reaches its closest point to the Sun. Fri, 03 Jan 1992 at 07:02 PDT (11,803 days ago) in Pisces

162.

December solstice 22 December will be the shortest day of 1991 in the northern hemisphere. Sun, 22 Dec 1991 at 01:00 PDT (11,815 days ago) in Sagittarius

163.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Mon, 23 Sep 1991 at 05:54 PDT (11,905 days ago) in Virgo

164.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 06 Jul 1991 at 08:26 PDT (11,984 days ago) in Pisces

165.

June solstice 21 June will be the longest day of 1991 in the northern hemisphere. Fri, 21 Jun 1991 at 14:25 PDT (11,999 days ago) in Taurus

166.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Wed, 20 Mar 1991 at 19:08 PDT (12,092 days ago) in Pisces

167.

The Earth at perihelion The Earth reaches its closest point to the Sun. Wed, 02 Jan 1991 at 18:59 PDT (12,169 days ago) in Pisces

168.

December solstice 22 December will be the shortest day of 1990 in the northern hemisphere. Fri, 21 Dec 1990 at 19:12 PDT (12,181 days ago) in Sagittarius

169.

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 1990 at 00:01 PDT (12,270 days ago) in Virgo

170.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 03 Jul 1990 at 22:04 PDT (12,352 days ago) in Pisces

171.

June solstice 21 June will be the longest day of 1990 in the northern hemisphere. Thu, 21 Jun 1990 at 08:38 PDT (12,364 days ago) in Taurus

172.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Tue, 20 Mar 1990 at 13:24 PDT (12,457 days ago) in Pisces

173.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 04 Jan 1990 at 09:22 PDT (12,532 days ago) in Pisces

174.

December solstice 21 December will be the shortest day of 1989 in the northern hemisphere. Thu, 21 Dec 1989 at 13:26 PDT (12,546 days ago) in Sagittarius

175.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Fri, 22 Sep 1989 at 18:23 PDT (12,636 days ago) in Virgo

176.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Tue, 04 Jul 1989 at 04:33 PDT (12,716 days ago) in Pisces

177.

June solstice 21 June will be the longest day of 1989 in the northern hemisphere. Wed, 21 Jun 1989 at 02:56 PDT (12,729 days ago) in Gemini

178.

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 1989 at 07:31 PDT (12,822 days ago) in Pisces

179.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sun, 01 Jan 1989 at 13:52 PDT (12,900 days ago) in Pisces

180.

December solstice 21 December will be the shortest day of 1988 in the northern hemisphere. Wed, 21 Dec 1988 at 07:30 PDT (12,911 days ago) in Sagittarius