1800–1899
- december 30, 1804 — jupiter conjunct neptune at 27°09′ scorpio.
- december 25, 1817 — jupiter conjunct neptune at 24°21′ sagittarius.
- december 15, 1830 — jupiter conjunct neptune at 21°25′ capricorn.
- april 10, 1843 — jupiter conjunct neptune at 20°57′ aquarius.
- september 12, 1843 — jupiter retrograde conjunct neptune retrograde at 19°20′ capricorn.
- november 9, 1843 — jupiter conjunct neptune at 18°43′ aquarius.
- march 17, 1856 — jupiter conjunct neptune at 18°32′ pisces.
- february 26, 1869 — jupiter conjunct neptune at 15°35′ aries.
- june 18, 1881 — jupiter conjunct neptune at 15°35′ taurus.
- june 1, 1894 — jupiter conjunct neptune at 13°09′ gemini.
1900–1999
- may 22, 1907 — jupiter conjunct neptune at 10°49′ cancer.
- september 24, 1919 — jupiter conjunct neptune at 10°49′ leo.
- march 8, 1920 — jupiter retrograde conjunct neptune retrograde at 9°12′ leo.
- april 24, 1920 — jupiter conjunct neptune at 8°45′ leo.
- september 19, 1932 — jupiter conjunct neptune at 8°24′ virgo.
- september 22, 1945 — jupiter conjunct neptune at 5°54′ libra.
- september 24, 1958 — jupiter conjunct neptune at 3°18′ scorpio.
- february 1, 1971 — jupiter conjunct neptune at 2°46′ sagittarius.
- may 22, 1971 — jupiter retrograde conjunct neptune retrograde at 1°44′ sagittarius.
- september 16, 1971 — jupiter conjunct neptune at 0°37′ sagittarius.
- january 19, 1984 — jupiter conjunct neptune at 0°01′ capricorn.
- january 9, 1997 — jupiter conjunct neptune 27°08′ capricorn.
2000–2099
- may 28, 2009 — jupiter conjunct neptune 26°28′ aquarius.
- july 10, 2009 — jupiter retrograde conjunct neptune retrograde 26°01′ aquarius.
- december 21, 2009 — jupiter conjunct neptune 24°17′ aquarius.
- april 12, 2022 — jupiter conjunct neptune 23°58′ pisces.
- march 24, 2035 — jupiter conjunct neptune 21°21′ aries.
- july 22, 2047 — jupiter conjunct neptune 21°19′ taurus.
- november 17, 2047 — jupiter retrograde conjunct neptune retrograde 20°04′ taurus.
- february 24, 2048 — jupiter conjunct neptune 19°00′ taurus.
- june 27, 2060 — jupiter conjunct neptune 18°59′ gemini.
- june 18, 2073 — jupiter conjunct neptune 16°36′ cancer.
- november 1, 2085 — jupiter conjunct neptune 16°26′ leo.
- january 11, 2086 — jupiter retrograde conjunct neptune retrograde 15°46′ leo.
- june 10, 2086 — jupiter conjunct neptune 14°18′ leo.
- october 16, 2098 — jupiter conjunct neptune 14°08′ virgo.