SEASON I · SOUTH NODE
19 Dec 2000 – 23 Jan 2001
36 days on which the Sun stands within 18.5° of the Moon’s south node, at 15° Capricorn mid-season. Retrograde during it: Jupiter (the whole season) and Saturn (the whole season).
Five eclipses fell in 2001, in three eclipse seasons: total lunar eclipse on 9 Jan, total solar eclipse on 21 Jun, partial lunar eclipse on 5 Jul, annular solar eclipse on 14 Dec and penumbral lunar eclipse on 30 Dec. Mercury was retrograde at the total solar eclipse on 21 Jun.
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 2001 retrograde calendar.
SEASON I · SOUTH NODE
36 days on which the Sun stands within 18.5° of the Moon’s south node, at 15° Capricorn mid-season. Retrograde during it: Jupiter (the whole season) and Saturn (the whole season).
SEASON II · NORTH NODE
38 days on which the Sun stands within 18.5° of the Moon’s north node, at 6° Cancer mid-season. Retrograde during it: Mercury (20 days), Mars (the whole season), Uranus (the whole season), Neptune (the whole season) and Pluto (the whole season).
SEASON III · SOUTH NODE
36 days on which the Sun stands within 18.5° of the Moon’s south node, at 27° Sagittarius mid-season. Retrograde during it: Jupiter (the whole season) and Saturn (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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