Mercury retrograde 1917

4 periods, 74 days inside the year — 20.2% of 1917. Station times below are UTC and computed to the minute.

21 days · retreats 16.03°

10 January → 30 January 1917 in Aquarius

Stations retrograde 10 Jan 1917, 06:43 UTC at 6.82° Aquarius
Stations direct 30 Jan 1917, 20:37 UTC at 20.79° Capricorn
Shadow opens 25 Dec 1916 (16 days before)
Shadow closes 19 Feb 1917 (20 days after)
Full window including shadows 57 days

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

24 days · retreats 8.91°

5 May → 29 May 1917 in Gemini

Stations retrograde 5 May 1917, 15:53 UTC at 0.65° Gemini
Stations direct 29 May 1917, 12:00 UTC at 21.74° Taurus
Shadow opens 21 Apr 1917 (14 days before)
Shadow closes 14 Jun 1917 (16 days after)
Full window including shadows 54 days

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

22 days · retreats 14.58°

5 September → 28 September 1917 in Libra

Stations retrograde 5 Sep 1917, 17:35 UTC at 5.22° Libra
Stations direct 28 Sep 1917, 02:44 UTC at 20.64° Virgo
Shadow opens 16 Aug 1917 (20 days before)
Shadow closes 12 Oct 1917 (15 days after)
Full window including shadows 57 days

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

20 days · retreats 16.24° · crosses the year boundary

25 December → 14 January 1918 in Capricorn

Stations retrograde 25 Dec 1917, 04:35 UTC at 20.85° Capricorn
Stations direct 14 Jan 1918, 06:36 UTC at 4.6° Capricorn
Shadow opens 8 Dec 1917 (17 days before)
Shadow closes 2 Feb 1918 (20 days after)
Full window including shadows 57 days

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

Computed from the actual motion

The nearest Mercury retrogrades either side of 1917

Previous

1916 Ended 14 October 1916 after 22 days, moving back 15.25° through the zodiac.

Next

1918 Begins 25 December 1917 and runs 20 days.

Gap across 1917

1.2 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.