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Neptune retrograde 1951

Neptune retrograde 1951: 1 period, 159 days inside the year — 43.5% of 1951. Neptune turned retrograde at 5:29 AM UTC on January 21 at 19°32′ Libra and turned direct at 9:52 PM UTC on June 28 at 16°45′ Libra.

Turns retrograde
Jan 21 5:29 AM UTC
Turns direct
Jun 28 9:52 PM UTC
Retrograde in 1951
159 days 43.5% of the year
Sign
Libra retreats 2.78°
Neptune Retrograde 1951 Dates: Jan 21 – Jun 28

Neptune’s path through 1951, day by day

Apparent position of Neptune against the zodiac, 1951
Apparent position of Neptune against the zodiac, 1951. Neptune starts 1951 at 18°44′ Libra and ends it at 20°53′ Libra — 2.2° of net progress: 4.9° forward, 2.8° given back. The loop retraces 2.78° in 159 days, from 19°32′ Libra on Jan 21 back to 16°45′ Libra on Jun 28. Fastest day: Oct 10, 0.037° forward; fastest backward: Apr 5, 0.027°. Counting the shadows, 365 days of 1951 sit inside a retrograde window. Pre-retrograde shadow: Oct 1, 1950 – Jan 21, 1951Post-retrograde shadow: Jun 28, 1951 – Oct 20, 1951Pre-retrograde shadow: Oct 4, 1951 – Jan 23, 1952Retrograde: Jan 21, 1951 – Jun 28, 195116° Libra17° Libra18° Libra19° Libra21° LibraStations retrograde Jan 21, 1951, 5:29 AM UTC, 19°32′ LibraR Jan 21Stations direct Jun 28, 1951, 9:52 PM UTC, 16°45′ LibraD Jun 28JanFebMarAprMayJunJulAugSepOctNovDecSource: JPL orbital elements; stations NASA JPL DE440astrohot.com Apparent position of Neptune against the zodiac, 1951. Neptune starts 1951 at 18°44′ Libra and ends it at 20°53′ Libra — 2.2° of net progress: 4.9° forward, 2.8° given back. The loop retraces 2.78° in 159 days, from 19°32′ Libra on Jan 21 back to 16°45′ Libra on Jun 28. Fastest day: Oct 10, 0.037° forward; fastest backward: Apr 5, 0.027°. Counting the shadows, 365 days of 1951 sit inside a retrograde window. Pre-retrograde shadow: Oct 1, 1950 – Jan 21, 1951Post-retrograde shadow: Jun 28, 1951 – Oct 20, 1951Pre-retrograde shadow: Oct 4, 1951 – Jan 23, 1952Retrograde: Jan 21, 1951 – Jun 28, 195116° Libra17° Libra18° Libra19° Libra21° LibraStations retrograde Jan 21, 1951, 5:29 AM UTC, 19°32′ LibraR Jan 21Stations direct Jun 28, 1951, 9:52 PM UTC, 16°45′ LibraD Jun 28JanFebMarAprMayJunJulAugSepOctNovDecSource: JPL orbital elements; stations NASA JPL DE440astrohot.com
Retrograde Shadow R — stations retrograde · D — stations direct

Neptune starts 1951 at 18°44′ Libra and ends it at 20°53′ Libra — 2.2° of net progress: 4.9° forward, 2.8° given back. The loop retraces 2.78° in 159 days, from 19°32′ Libra on Jan 21 back to 16°45′ Libra on Jun 28. Fastest day: Oct 10, 0.037° forward; fastest backward: Apr 5, 0.027°. Counting the shadows, 365 days of 1951 sit inside a retrograde window.

Exact times

Neptune retrograde 1951: exact times in your city

Neptune turned retrograde at 5:29 AM UTC on January 21, 1951 at 19°32′ Libra — 1:29 AM in Santiago, 12:29 AM in New York, 5:29 AM in London and 2:29 PM in Tokyo.

City Turns retrograde Turns direct
UTC Sun, Jan 21 · 19°32′ Libra Thu, Jun 28 · 16°45′ Libra
Honolulu United States 7:29 PM Sat, Jan 20 · UTC−10 11:52 AM Thu, Jun 28 · UTC−10
Anchorage United States 7:29 PM Sat, Jan 20 · UTC−10 11:52 AM Thu, Jun 28 · UTC−10
Los Angeles United States 9:29 PM Sat, Jan 20 · UTC−8 2:52 PM Thu, Jun 28 · UTC−7
Phoenix United States 10:29 PM Sat, Jan 20 · UTC−7 2:52 PM Thu, Jun 28 · UTC−7
Denver United States 10:29 PM Sat, Jan 20 · UTC−7 2:52 PM Thu, Jun 28 · UTC−7
Chicago United States 11:29 PM Sat, Jan 20 · UTC−6 4:52 PM Thu, Jun 28 · UTC−5
Mexico City Mexico 11:29 PM Sat, Jan 20 · UTC−6 3:52 PM Thu, Jun 28 · UTC−6
New York United States 12:29 AM Sun, Jan 21 · UTC−5 5:52 PM Thu, Jun 28 · UTC−4
Toronto Canada 12:29 AM Sun, Jan 21 · UTC−5 5:52 PM Thu, Jun 28 · UTC−4
Bogotá Colombia 12:29 AM Sun, Jan 21 · UTC−5 4:52 PM Thu, Jun 28 · UTC−5
Lima Peru 12:29 AM Sun, Jan 21 · UTC−5 4:52 PM Thu, Jun 28 · UTC−5
Caracas Venezuela 12:59 AM Sun, Jan 21 · UTC−4:30 5:22 PM Thu, Jun 28 · UTC−4:30
Santiago Chile 1:29 AM Sun, Jan 21 · UTC−4 5:52 PM Thu, Jun 28 · UTC−4
Buenos Aires Argentina 2:29 AM Sun, Jan 21 · UTC−3 6:52 PM Thu, Jun 28 · UTC−3
São Paulo Brazil 3:29 AM Sun, Jan 21 · UTC−2 6:52 PM Thu, Jun 28 · UTC−3
Reykjavík Iceland 4:29 AM Sun, Jan 21 · UTC−1 9:52 PM Thu, Jun 28 · UTC
London United Kingdom 5:29 AM Sun, Jan 21 · UTC 10:52 PM Thu, Jun 28 · UTC+1
Lagos Nigeria 6:29 AM Sun, Jan 21 · UTC+1 10:52 PM Thu, Jun 28 · UTC+1
Paris France 6:29 AM Sun, Jan 21 · UTC+1 10:52 PM Thu, Jun 28 · UTC+1
Berlin Germany 6:29 AM Sun, Jan 21 · UTC+1 10:52 PM Thu, Jun 28 · UTC+1
Johannesburg South Africa 7:29 AM Sun, Jan 21 · UTC+2 11:52 PM Thu, Jun 28 · UTC+2
Cairo Egypt 7:29 AM Sun, Jan 21 · UTC+2 11:52 PM Thu, Jun 28 · UTC+2
Athens Greece 7:29 AM Sun, Jan 21 · UTC+2 11:52 PM Thu, Jun 28 · UTC+2
Istanbul Turkey 7:29 AM Sun, Jan 21 · UTC+2 12:52 AM Fri, Jun 29 · UTC+3
Moscow Russia 8:29 AM Sun, Jan 21 · UTC+3 12:52 AM Fri, Jun 29 · UTC+3
Nairobi Kenya 8:29 AM Sun, Jan 21 · UTC+3 12:52 AM Fri, Jun 29 · UTC+3
Tehran Iran 8:59 AM Sun, Jan 21 · UTC+3:30 1:22 AM Fri, Jun 29 · UTC+3:30
Dubai United Arab Emirates 9:29 AM Sun, Jan 21 · UTC+4 1:52 AM Fri, Jun 29 · UTC+4
Karachi Pakistan 10:59 AM Sun, Jan 21 · UTC+5:30 3:22 AM Fri, Jun 29 · UTC+5:30
New Delhi India 10:59 AM Sun, Jan 21 · UTC+5:30 3:22 AM Fri, Jun 29 · UTC+5:30
Kathmandu Nepal 10:59 AM Sun, Jan 21 · UTC+5:30 3:22 AM Fri, Jun 29 · UTC+5:30
Dhaka Bangladesh 11:59 AM Sun, Jan 21 · UTC+6:30 4:22 AM Fri, Jun 29 · UTC+6:30
Bangkok Thailand 12:29 PM Sun, Jan 21 · UTC+7 4:52 AM Fri, Jun 29 · UTC+7
Jakarta Indonesia 12:59 PM Sun, Jan 21 · UTC+7:30 5:22 AM Fri, Jun 29 · UTC+7:30
Singapore 12:59 PM Sun, Jan 21 · UTC+7:30 5:22 AM Fri, Jun 29 · UTC+7:30
Beijing China 1:29 PM Sun, Jan 21 · UTC+8 5:52 AM Fri, Jun 29 · UTC+8
Manila Philippines 1:29 PM Sun, Jan 21 · UTC+8 5:52 AM Fri, Jun 29 · UTC+8
Perth Australia 1:29 PM Sun, Jan 21 · UTC+8 5:52 AM Fri, Jun 29 · UTC+8
Seoul South Korea 2:29 PM Sun, Jan 21 · UTC+9 7:52 AM Fri, Jun 29 · UTC+10
Tokyo Japan 2:29 PM Sun, Jan 21 · UTC+9 7:52 AM Fri, Jun 29 · UTC+10
Adelaide Australia 2:59 PM Sun, Jan 21 · UTC+9:30 7:22 AM Fri, Jun 29 · UTC+9:30
Brisbane Australia 3:29 PM Sun, Jan 21 · UTC+10 7:52 AM Fri, Jun 29 · UTC+10
Sydney Australia 3:29 PM Sun, Jan 21 · UTC+10 7:52 AM Fri, Jun 29 · UTC+10
Auckland New Zealand 5:29 PM Sun, Jan 21 · UTC+12 9:52 AM Fri, Jun 29 · UTC+12

Stations from the NASA JPL DE440 ephemeris. Swiss Ephemeris agrees on every Neptune station 1900–2050: median under a minute, largest 1.8 minutes. Near a station Neptune barely moves, so almanacs differ by minutes. Local times: IANA time zones, to the minute.

159 days · retreats 2.78°

January 21 → June 28, 1951 in Libra

Stations retrograde Jan 21, 1951, 5:29 AM UTC at 19°32′ Libra
Stations direct Jun 28, 1951, 9:52 PM UTC at 16°45′ Libra
Shadow opens Oct 1, 1950, 8:50 PM UTC (111 days before)
Shadow closes Oct 20, 1951, 1:08 PM UTC (114 days after)
Full window including shadows 384 days

It begins in Aquarius season and ends in Cancer season.

Also retrograde at the same time

  • Saturn in Libra — Jan 21 to May 29, 1951 (128 days of overlap)
  • Uranus in Cancer — Jan 21 to Mar 14, 1951 (52 days of overlap)
  • Pluto in Leo — Jan 21 to Apr 30, 1951 (99 days of overlap)
  • Mercury in Taurus — Apr 14 to May 8, 1951 (24 days of overlap)

For the sign itself, see Libra and its daily horoscope.

Computed from the actual motion

The nearest Neptune retrogrades either side of 1951

Previous

1950 Ended June 26, 1950 after 159 days, moving back 2.78° through the zodiac.

Next

1952 Begins January 23, 1952 and runs 159 days.

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.

Computed for 1951

Neptune through the zodiac in 1951

Every sign Neptune occupies during 1951, with the dates it enters and leaves. A sign that appears twice means the planet backed into the previous sign during a retrograde and crossed again.

Neptune in Libra From Jan 1 – Dec 31 and beyond

The whole year is spent in one sign — a sign of how slowly Neptune moves.

1951 at a glance

Every other retrograde in 1951

Uranus in Cancer Oct 16, 1950 – Mar 14, 1951 · 149 days
Pluto in Leo Nov 21, 1950 – Apr 30, 1951 · 160 days
Mercury in Capricorn Dec 23, 1950 – Jan 12, 1951 · 20 days
Saturn in Libra Jan 12, 1951 – May 29, 1951 · 137 days
Mercury in Taurus Apr 14, 1951 – May 8, 1951 · 24 days
Jupiter in Aries Aug 4, 1951 – Nov 30, 1951 · 118 days
Venus in Virgo Aug 13, 1951 – Sep 25, 1951 · 43 days
Mercury in Virgo Aug 17, 1951 – Sep 9, 1951 · 23 days
Uranus in Cancer Oct 20, 1951 – Mar 18, 1952 · 149 days
Pluto in Leo Nov 23, 1951 – Apr 30, 1952 · 159 days
Mercury in Capricorn Dec 7, 1951 – Dec 27, 1951 · 20 days
← 1950 Neptune retrograde in 1950. All Neptune retrogrades Averages, shadow periods and the sign distribution over fifty years. 1952 → Neptune retrograde in 1952.

Cite this page

AstroHot. “Neptune Retrograde 1951 Dates: Jan 21 – Jun 28.” Accessed October 31, 2026. https://astrohot.com/retrograde/neptune/1951/

For Wikipedia {{cite web |title=Neptune Retrograde 1951 Dates: Jan 21 – Jun 28 |url=https://astrohot.com/retrograde/neptune/1951/ |website=AstroHot |access-date=2026-10-31}}