Mars retrograde 1931

1 period, 67 days inside the year — 18.2% of 1931. Station times below are UTC and computed to the minute.

80 days · retreats 19.39° · crosses the year boundary

18 December → 8 March 1931 in Leo

Stations retrograde 18 Dec 1930, 13:52 UTC at 17.78° Leo

Stations direct 8 Mar 1931, 13:40 UTC at 28.39° Cancer

Shadow opens 15 Oct 1930 (64 days before)

Shadow closes 15 May 1931 (68 days after)

Full window including shadows 212 days

Read against Leo, and see that sign’s horoscope for the period.

Computed from the actual motion

The nearest Mars retrogrades either side of 1931

1930 Ended 9 February 1931 after 53 days, moving back 14.86° through the zodiac.

1933 Begins 21 January 1933 and runs 81 days.

Gap across 1931

1.9 years between the two — long enough for a whole calendar year to fall inside it with nothing to report.

Both dates are computed from the planet’s apparent motion, not taken from a table. A retrograde begins the moment its daily movement against the stars turns negative, and that moment is findable to the hour.

← 1930 Mars retrograde in 1930. All Mars retrogrades Averages, shadow periods and the sign distribution over fifty years. 1932 → Mars retrograde in 1932.