Astronomical Algorithms Retrograde dates computed for 2028

Mercury retrograde 2028

Mercury is retrograde three times in 2028: January 24 to February 14, May 21 to June 14 and September 19 to October 11.

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Mercury retrograde dates in 2028

Is Mercury retrograde right now? Yes. On November 12, 2026 Mercury is in retrograde motion, until November 13.

Turns retrograde Turns direct Days From Back to Constellation
21 19.7° Aquarius 4.0° Aquarius Capricornus
24 16.3° Gemini 7.8° Gemini Taurus
22 18.6° Libra 3.5° Libra Virgo

Dates are in Universal Time. "From" and "Back to" give the ecliptic longitude of Mercury at the two turning points, in the tropical zodiac (30° signs counted from the vernal equinox). The constellation is the one Mercury is actually in front of, which no longer matches the sign because of precession.

Each retrograde period, step by step

Mercury crosses the same stretch of sky three times: forward, backward, then forward again. It enters that stretch two to three weeks before it turns retrograde and leaves it two to three weeks after it turns direct. Astrologers call these two intervals the shadow periods. In the middle, Mercury passes between Earth and the Sun (inferior conjunction).

Enters the zone Turns retrograde Inferior conjunction Turns direct Leaves the zone
January 8 January 24 February 2 February 14 March 5
May 6 May 21 June 2 June 14 June 29
August 30 September 19 October 2 October 11 October 26

Every planet in retrograde in 2028

The outer planets turn retrograde once a year, around their opposition, when Earth overtakes them. Mars does not turn retrograde in 2028.

Planet Turns retrograde Turns direct Days Constellation In the middle
Uranus 151 Taurus Opposition, November 30, 2027
Jupiter 122 Virgo, then Leo Opposition, March 12
Mercury 21 Capricornus Inferior conjunction, February 2
Venus 43 Taurus Inferior conjunction, June 1
Mercury 24 Taurus Inferior conjunction, June 2
Neptune 158 Pisces Opposition, September 30
Saturn 136 Aries Opposition, October 30
Uranus 150 Taurus Opposition, December 3
Mercury 22 Virgo Inferior conjunction, October 2

What retrograde motion is

Seen from Earth, the planets normally drift eastward against the stars, in the direction of their orbit. Retrograde motion is the interval when a planet appears to drift westward instead. Nothing changes in its orbit: it is an effect of perspective between two worlds moving at different speeds around the Sun.

Mercury is the fastest planet. Every 116 days, its synodic period, it catches up with Earth and passes between us and the Sun. For about three weeks around that passage, as it overtakes us on the inside, it slides backward in front of the stars. That happens three times in most years, four in some.

You can watch it happen: in the 3D heliocentric view, press Play and watch Mercury overtake Earth on the inside.

How these dates are computed

The position of Mercury comes from the VSOP87 theory as given in Jean Meeus' Astronomical Algorithms, corrected for the time its light takes to reach Earth. A period begins and ends on the two days when the geocentric ecliptic longitude stops changing: the stations. Because the planet is almost motionless there, the instant is only defined to within a few hours, and the dates are given to the day.

Frequently asked questions

When is Mercury retrograde in 2028?

Mercury is retrograde three times in 2028: January 24 to February 14, May 21 to June 14 and September 19 to October 11. Dates are in Universal Time.

Is Mercury retrograde right now?

Yes. On November 12, 2026 Mercury is in retrograde motion, until November 13.

Which planets are retrograde in 2028?

Uranus, Jupiter, Mercury, Venus, Neptune and Saturn. Mars is not retrograde at any time in 2028. The table on this page gives the first and last day of each period.

Does Mercury really move backwards?

No. Mercury always orbits the Sun in the same direction. About every 116 days it passes between Earth and the Sun, and for some three weeks its faster motion makes it drift westward against the background stars as seen from Earth, the way a car you overtake seems to move backwards.