SEASON I · SOUTH NODE
19 May – 25 Jun 2030
38 days on which the Sun stands within 18.5° of the Moon’s south node, at 16° Gemini mid-season. Retrograde during it: Jupiter (the whole season) and Pluto (the whole season).
Four eclipses fall in 2030, in two eclipse seasons: annular solar eclipse on 1 Jun, partial lunar eclipse on 15 Jun, total solar eclipse on 25 Nov and penumbral lunar eclipse on 9 Dec. Mercury is retrograde at the penumbral lunar eclipse on 9 Dec.
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 2030 retrograde calendar.
SEASON I · SOUTH NODE
38 days on which the Sun stands within 18.5° of the Moon’s south node, at 16° Gemini mid-season. Retrograde during it: Jupiter (the whole season) and Pluto (the whole season).
SEASON II · NORTH NODE
37 days on which the Sun stands within 18.5° of the Moon’s north node, at 7° Sagittarius mid-season. Retrograde during it: Mercury (12 days), Saturn (the whole season), Uranus (the whole season) and Neptune (the whole season).
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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