Every ingress of the Sun and planets, chronologically, with the exact UTC instant. Retrograde re-entries are marked.
In 1955 the Sun and planets change signs 51 times. Outer-planet ingresses: Jupiter enters Leo on Jun 13, 1955, 00:06 UTC; Uranus enters Leo on Aug 24, 1955, 18:01 UTC; Jupiter enters Virgo on Nov 17, 1955, 03:58 UTC; Neptune enters Scorpio on Dec 24, 1955, 15:17 UTC.
| Instant (UTC) | Planet | From | Into |
|---|---|---|---|
| Jan 6, 1955, 06:48 UTC | ♀ Venus | Scorpio | Sagittarius |
| Jan 10, 1955, 23:05 UTC | ☿ Mercury | Capricorn | Aquarius |
| Jan 15, 1955, 04:33 UTC | ♂ Mars | Pisces | Aries |
| Jan 20, 1955, 20:02 UTC | ☉ Sun | Capricorn | Aquarius |
| Feb 6, 1955, 01:16 UTC | ♀ Venus | Sagittarius | Capricorn |
| Feb 19, 1955, 10:18 UTC | ☉ Sun | Aquarius | Pisces |
| Feb 26, 1955, 10:22 UTC | ♂ Mars | Aries | Taurus |
| Mar 4, 1955, 20:22 UTC | ♀ Venus | Capricorn | Aquarius |
| Mar 17, 1955, 20:49 UTC | ☿ Mercury | Aquarius | Pisces |
| Mar 21, 1955, 09:35 UTC | ☉ Sun | Pisces | Aries |
| Mar 30, 1955, 11:30 UTC | ♀ Venus | Aquarius | Pisces |
| Apr 6, 1955, 16:14 UTC | ☿ Mercury | Pisces | Aries |
| Apr 10, 1955, 23:08 UTC | ♂ Mars | Taurus | Gemini |
| Apr 20, 1955, 20:58 UTC | ☉ Sun | Aries | Taurus |
| Apr 22, 1955, 02:58 UTC | ☿ Mercury | Aries | Taurus |
| Apr 24, 1955, 15:13 UTC | ♀ Venus | Pisces | Aries |
| May 6, 1955, 13:05 UTC | ☿ Mercury | Taurus | Gemini |
| May 19, 1955, 13:35 UTC | ♀ Venus | Aries | Taurus |
| May 21, 1955, 20:24 UTC | ☉ Sun | Taurus | Gemini |
| May 26, 1955, 00:50 UTC | ♂ Mars | Gemini | Cancer |
| Jun 13, 1955, 00:06 UTC | ♃ Jupiter | Cancer | Leo |
| Jun 13, 1955, 08:38 UTC | ♀ Venus | Taurus | Gemini |
| Jun 22, 1955, 04:31 UTC | ☉ Sun | Gemini | Cancer |
| Jul 8, 1955, 00:15 UTC | ♀ Venus | Gemini | Cancer |
| Jul 11, 1955, 09:22 UTC | ♂ Mars | Cancer | Leo |
| Jul 13, 1955, 14:44 UTC | ☿ Mercury | Gemini | Cancer |
| Jul 23, 1955, 15:24 UTC | ☉ Sun | Cancer | Leo |
| Jul 30, 1955, 17:22 UTC | ☿ Mercury | Cancer | Leo |
| Aug 1, 1955, 11:43 UTC | ♀ Venus | Cancer | Leo |
| Aug 14, 1955, 13:08 UTC | ☿ Mercury | Leo | Virgo |
| Aug 23, 1955, 22:19 UTC | ☉ Sun | Leo | Virgo |
| Aug 24, 1955, 18:01 UTC | ♅ Uranus | Cancer | Leo |
| Aug 25, 1955, 18:52 UTC | ♀ Venus | Leo | Virgo |
| Aug 27, 1955, 10:13 UTC | ♂ Mars | Leo | Virgo |
| Sep 1, 1955, 12:06 UTC | ☿ Mercury | Virgo | Libra |
| Sep 18, 1955, 22:41 UTC | ♀ Venus | Virgo | Libra |
| Sep 23, 1955, 19:41 UTC | ☉ Sun | Virgo | Libra |
| Oct 13, 1955, 00:39 UTC | ♀ Venus | Libra | Scorpio |
| Oct 13, 1955, 11:20 UTC | ♂ Mars | Virgo | Libra |
| Oct 24, 1955, 04:43 UTC | ☉ Sun | Libra | Scorpio |
| Nov 6, 1955, 02:02 UTC | ♀ Venus | Scorpio | Sagittarius |
| Nov 8, 1955, 06:57 UTC | ☿ Mercury | Libra | Scorpio |
| Nov 17, 1955, 03:58 UTC | ♃ Jupiter | Leo | Virgo |
| Nov 23, 1955, 02:01 UTC | ☉ Sun | Scorpio | Sagittarius |
| Nov 27, 1955, 04:35 UTC | ☿ Mercury | Scorpio | Sagittarius |
| Nov 29, 1955, 01:33 UTC | ♂ Mars | Libra | Scorpio |
| Nov 30, 1955, 03:42 UTC | ♀ Venus | Sagittarius | Capricorn |
| Dec 16, 1955, 06:07 UTC | ☿ Mercury | Sagittarius | Capricorn |
| Dec 22, 1955, 15:11 UTC | ☉ Sun | Sagittarius | Capricorn |
| Dec 24, 1955, 06:52 UTC | ♀ Venus | Capricorn | Aquarius |
| Dec 24, 1955, 15:17 UTC | ♆ Neptune | Libra | Scorpio |