Every ingress of the Sun and planets, chronologically, with the exact UTC instant. Retrograde re-entries are marked.
In 1951 the Sun and planets change signs 48 times. Outer-planet ingresses: Saturn enters Virgo on Mar 7, 1951, 12:14 UTC (retrograde re-entry); Jupiter enters Aries on Apr 21, 1951, 14:57 UTC; Saturn enters Libra on Aug 13, 1951, 16:43 UTC.
| Instant (UTC) | Planet | From | Into |
|---|---|---|---|
| Jan 7, 1951, 21:10 UTC | ♀ Venus | Capricorn | Aquarius |
| Jan 20, 1951, 20:52 UTC | ☉ Sun | Capricorn | Aquarius |
| Jan 22, 1951, 13:05 UTC | ♂ Mars | Aquarius | Pisces |
| Jan 31, 1951, 20:15 UTC | ♀ Venus | Aquarius | Pisces |
| Feb 9, 1951, 17:51 UTC | ☿ Mercury | Capricorn | Aquarius |
| Feb 19, 1951, 11:10 UTC | ☉ Sun | Aquarius | Pisces |
| Feb 24, 1951, 23:27 UTC | ♀ Venus | Pisces | Aries |
| Feb 28, 1951, 13:04 UTC | ☿ Mercury | Aquarius | Pisces |
| Mar 1, 1951, 22:03 UTC | ♂ Mars | Pisces | Aries |
| Mar 7, 1951, 12:14 UTC | ♄ Saturn ℞ | Libra | Virgo |
| Mar 16, 1951, 11:53 UTC | ☿ Mercury | Pisces | Aries |
| Mar 21, 1951, 10:05 UTC | ♀ Venus | Aries | Taurus |
| Mar 21, 1951, 10:25 UTC | ☉ Sun | Pisces | Aries |
| Apr 2, 1951, 03:27 UTC | ☿ Mercury | Aries | Taurus |
| Apr 10, 1951, 09:37 UTC | ♂ Mars | Aries | Taurus |
| Apr 15, 1951, 08:33 UTC | ♀ Venus | Taurus | Gemini |
| Apr 20, 1951, 21:48 UTC | ☉ Sun | Aries | Taurus |
| Apr 21, 1951, 14:57 UTC | ♃ Jupiter | Pisces | Aries |
| May 1, 1951, 21:25 UTC | ☿ Mercury ℞ | Taurus | Aries |
| May 11, 1951, 01:42 UTC | ♀ Venus | Gemini | Cancer |
| May 15, 1951, 01:40 UTC | ☿ Mercury | Aries | Taurus |
| May 21, 1951, 15:32 UTC | ♂ Mars | Taurus | Gemini |
| May 21, 1951, 21:15 UTC | ☉ Sun | Taurus | Gemini |
| Jun 7, 1951, 05:10 UTC | ♀ Venus | Cancer | Leo |
| Jun 9, 1951, 08:43 UTC | ☿ Mercury | Taurus | Gemini |
| Jun 22, 1951, 05:24 UTC | ☉ Sun | Gemini | Cancer |
| Jun 24, 1951, 03:13 UTC | ☿ Mercury | Gemini | Cancer |
| Jul 3, 1951, 23:42 UTC | ♂ Mars | Gemini | Cancer |
| Jul 8, 1951, 04:54 UTC | ♀ Venus | Leo | Virgo |
| Jul 8, 1951, 13:39 UTC | ☿ Mercury | Cancer | Leo |
| Jul 23, 1951, 16:21 UTC | ☉ Sun | Cancer | Leo |
| Jul 27, 1951, 15:24 UTC | ☿ Mercury | Leo | Virgo |
| Aug 13, 1951, 16:43 UTC | ♄ Saturn | Virgo | Libra |
| Aug 18, 1951, 10:55 UTC | ♂ Mars | Cancer | Leo |
| Aug 23, 1951, 23:16 UTC | ☉ Sun | Leo | Virgo |
| Sep 23, 1951, 20:37 UTC | ☉ Sun | Virgo | Libra |
| Oct 2, 1951, 14:25 UTC | ☿ Mercury | Virgo | Libra |
| Oct 5, 1951, 00:20 UTC | ♂ Mars | Leo | Virgo |
| Oct 19, 1951, 21:52 UTC | ☿ Mercury | Libra | Scorpio |
| Oct 24, 1951, 05:36 UTC | ☉ Sun | Libra | Scorpio |
| Nov 8, 1951, 04:58 UTC | ☿ Mercury | Scorpio | Sagittarius |
| Nov 9, 1951, 18:47 UTC | ♀ Venus | Virgo | Libra |
| Nov 23, 1951, 02:51 UTC | ☉ Sun | Scorpio | Sagittarius |
| Nov 24, 1951, 06:11 UTC | ♂ Mars | Virgo | Libra |
| Dec 1, 1951, 20:41 UTC | ☿ Mercury | Sagittarius | Capricorn |
| Dec 8, 1951, 00:19 UTC | ♀ Venus | Libra | Scorpio |
| Dec 12, 1951, 12:40 UTC | ☿ Mercury ℞ | Capricorn | Sagittarius |
| Dec 22, 1951, 16:00 UTC | ☉ Sun | Sagittarius | Capricorn |