SEASON I · SOUTH NODE
30 Dec 2018 – 3 Feb 2019
36 days on which the Sun stands within 18.5° of the Moon’s south node, at 26° Capricorn mid-season. Retrograde during it: Uranus (8 days).
Five eclipses fell in 2019, in three eclipse seasons: partial solar eclipse on 6 Jan, total lunar eclipse on 21 Jan, total solar eclipse on 2 Jul, partial lunar eclipse on 16 Jul and annular solar eclipse on 26 Dec. Mercury was retrograde at the partial lunar eclipse on 16 Jul.
Each wedge spans 18.5° either side of the lunar node the Sun passes in that season, drawn at the node’s place mid-season: the nodes slide back about 19° a year. Solar eclipses sit on the outer ring at the Sun’s longitude, lunar ones on the inner ring at the Moon’s.
Where the seasons meet the retrogrades
Retrograde windows run from the station-retrograde day to the station-direct day, both counted, in UTC — the same windows as the 2019 retrograde calendar.
SEASON I · SOUTH NODE
36 days on which the Sun stands within 18.5° of the Moon’s south node, at 26° Capricorn mid-season. Retrograde during it: Uranus (8 days).
SEASON II · NORTH NODE
39 days on which the Sun stands within 18.5° of the Moon’s north node, at 17° Cancer mid-season. Retrograde during it: Mercury (23 days), Jupiter (the whole season), Saturn (the whole season), Neptune (the whole season) and Pluto (the whole season).
SEASON III · SOUTH NODE
37 days on which the Sun stands within 18.5° of the Moon’s south node, at 8° Capricorn mid-season. Retrograde during it: Uranus (31 days).
Eclipses and times of greatest eclipse are computed with astronomy-engine and checked against NASA’s eclipse catalog; see the method.
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