The dates for Neptune‘s Cycle 1901–2029 are provided in Central Time and Central Daylight Time. Depending on your location, they may vary by up to one day (earlier or later).
Neptune in Leo
Jul 19–Dec 25, 1901 & May 21, 1902–Sep 17, 1913 & Dec 16, 1913–Jul 14, 1914
Neptune in Gemini
Sep 17–Dec 16, 1913 & Jul 14, 1914–Sep 10, 1926 & Feb 23–Jul 13, 1927
Neptune in Taurus
Sep 10, 1926–Feb 23, 1927 & Jul 13, 1927–Nov 25, 1938 & Jan 25–Sep 16, 1939 & Apr 27–Jul 9, 1940
Neptune in Aries
Nov 25, 1938–Jan 25, 1939 & Sep 16, 1939–Apr 27, 1940 & Jul 9, 1940–Nov 25, 1951 & Mar 25–Sep 26, 1952
Neptune in Cancer
Nov 25, 1951–Mar 25, 1952 & Sep 26, 1952–Dec 4, 1964 & May 15–Oct 7, 1965
Neptune in Sagittarius
Dec 4, 1964–May 15, 1965 & Oct 7, 1965–Dec 15, 1977 & Jul 9–Oct 14, 1978
Neptune in Capricorn
Dec 15, 1977–Jul 9, 1978 & Oct 14, 1978–Feb 23, 1990 & Jun 10–Dec 24, 1990
Neptune in Aquarius
Feb 23–Jun 10, 1990 & Dec 24, 1990–Feb 23, 2003 & Aug 13–Dec 27, 2003
Neptune in Pisces
Feb 23–Aug 13, 2003 & Dec 27, 2003–Apr 26, 2015 & Jul 30, 2015–Feb 21, 2016
Neptune in Scorpio
Apr 26–Jul 30, 2015 & Feb 21, 2016–Apr 11, 2028 & Oct 20, 2028–Feb 9, 2029
The dates for Neptune‘s Cycle 1901–2029 are provided in Central Time and Central Daylight Time. Depending on your location, they may vary by up to one day (earlier or later).

