Jupiter retrograde 1938: exact dates and times

Station instants computed with Swiss Ephemeris to the minute, in UTC. Jupiter is retrograde about 0.92 times a year for 116–122 days.

Jupiter is retrograde once in 1938: from Jun 21, 1938, 15:30 UTC at 2°15′ Pisces until Oct 19, 1938, 05:46 UTC at 22°23′ Aquarius.

Jupiter retrograde periods in 1938

All instants UTC. Arc = degrees travelled backwards between the two stations.
Stations retrogradeAtStations directAtDaysArcPre-shadow fromPost-shadow to
Jun 21, 1938, 15:30 UTC 2°15′ Pisces Oct 19, 1938, 05:46 UTC 22°23′ Aquarius 119.59 9.86° 22°23′ Aquarius 2°15′ Pisces

Sign changes during retrograde

Instant (UTC)FromTo
Jul 30, 1938, 03:02 UTC Pisces Aquarius
✦ By · verified against Swiss Ephemeris (JPL DE441) computations · Methodology · Updated 2026-09-05

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