Mercury retrograde 1979

3 periods, 67 days inside the year — 18.4% of 1979. Station times below are UTC and computed to the minute.

23 days · retreats 12.79°

15 March → 7 April 1979 in Aries

Stations retrograde 15 Mar 1979, 01:16 UTC at 8.81° Aries
Stations direct 7 Apr 1979, 05:10 UTC at 26.02° Pisces
Shadow opens 1 Mar 1979 (14 days before)
Shadow closes 26 Apr 1979 (19 days after)
Full window including shadows 56 days

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

24 days · retreats 11.3°

17 July → 11 August 1979 in Leo

Stations retrograde 17 Jul 1979, 22:37 UTC at 14.75° Leo
Stations direct 11 Aug 1979, 01:21 UTC at 3.45° Leo
Shadow opens 30 Jun 1979 (18 days before)
Shadow closes 25 Aug 1979 (14 days after)
Full window including shadows 56 days

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

20 days · retreats 16.15°

9 November → 29 November 1979 in Sagittarius

Stations retrograde 9 Nov 1979, 13:47 UTC at 6.1° Sagittarius
Stations direct 29 Nov 1979, 12:34 UTC at 19.94° Scorpio
Shadow opens 21 Oct 1979 (19 days before)
Shadow closes 16 Dec 1979 (17 days after)
Full window including shadows 57 days

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

Computed from the actual motion

The nearest Mercury retrogrades either side of 1979

Previous

1978 Ended 15 December 1978 after 20 days, moving back 16.28° through the zodiac.

Next

1980 Begins 26 February 1980 and runs 23 days.

Gap across 1979

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.