Every ingress of the Sun and planets, chronologically, with the exact UTC instant. Retrograde re-entries are marked.
In 1957 the Sun and planets change signs 53 times. Outer-planet ingresses: Pluto enters Leo on Jan 15, 1957, 02:37 UTC (retrograde re-entry); Jupiter enters Virgo on Feb 19, 1957, 15:38 UTC (retrograde re-entry); Neptune enters Libra on Jun 15, 1957, 20:15 UTC (retrograde re-entry); Neptune enters Scorpio on Aug 6, 1957, 08:17 UTC; Jupiter enters Libra on Aug 7, 1957, 02:11 UTC; Pluto enters Virgo on Aug 19, 1957, 04:28 UTC.
| Instant (UTC) | Planet | From | Into |
|---|---|---|---|
| Jan 12, 1957, 20:23 UTC | ♀ Venus | Sagittarius | Capricorn |
| Jan 15, 1957, 02:37 UTC | ♇ Pluto ℞ | Virgo | Leo |
| Jan 20, 1957, 07:39 UTC | ☉ Sun | Capricorn | Aquarius |
| Jan 28, 1957, 14:19 UTC | ♂ Mars | Aries | Taurus |
| Feb 5, 1957, 20:16 UTC | ♀ Venus | Capricorn | Aquarius |
| Feb 12, 1957, 14:29 UTC | ☿ Mercury | Capricorn | Aquarius |
| Feb 18, 1957, 21:58 UTC | ☉ Sun | Aquarius | Pisces |
| Feb 19, 1957, 15:38 UTC | ♃ Jupiter ℞ | Libra | Virgo |
| Mar 1, 1957, 20:39 UTC | ♀ Venus | Aquarius | Pisces |
| Mar 4, 1957, 11:34 UTC | ☿ Mercury | Aquarius | Pisces |
| Mar 17, 1957, 21:34 UTC | ♂ Mars | Taurus | Gemini |
| Mar 20, 1957, 19:48 UTC | ☿ Mercury | Pisces | Aries |
| Mar 20, 1957, 21:17 UTC | ☉ Sun | Pisces | Aries |
| Mar 25, 1957, 22:46 UTC | ♀ Venus | Pisces | Aries |
| Apr 4, 1957, 23:37 UTC | ☿ Mercury | Aries | Taurus |
| Apr 19, 1957, 03:28 UTC | ♀ Venus | Aries | Taurus |
| Apr 20, 1957, 08:41 UTC | ☉ Sun | Aries | Taurus |
| May 4, 1957, 15:21 UTC | ♂ Mars | Gemini | Cancer |
| May 13, 1957, 11:08 UTC | ♀ Venus | Taurus | Gemini |
| May 21, 1957, 08:10 UTC | ☉ Sun | Taurus | Gemini |
| Jun 6, 1957, 21:35 UTC | ♀ Venus | Gemini | Cancer |
| Jun 12, 1957, 13:39 UTC | ☿ Mercury | Taurus | Gemini |
| Jun 15, 1957, 20:15 UTC | ♆ Neptune ℞ | Scorpio | Libra |
| Jun 21, 1957, 12:18 UTC | ♂ Mars | Cancer | Leo |
| Jun 21, 1957, 16:21 UTC | ☉ Sun | Gemini | Cancer |
| Jun 28, 1957, 17:08 UTC | ☿ Mercury | Gemini | Cancer |
| Jul 1, 1957, 10:42 UTC | ♀ Venus | Cancer | Leo |
| Jul 12, 1957, 19:41 UTC | ☿ Mercury | Cancer | Leo |
| Jul 23, 1957, 03:15 UTC | ☉ Sun | Cancer | Leo |
| Jul 26, 1957, 03:10 UTC | ♀ Venus | Leo | Virgo |
| Jul 30, 1957, 01:44 UTC | ☿ Mercury | Leo | Virgo |
| Aug 6, 1957, 08:17 UTC | ♆ Neptune | Libra | Scorpio |
| Aug 7, 1957, 02:11 UTC | ♃ Jupiter | Virgo | Libra |
| Aug 8, 1957, 05:27 UTC | ♂ Mars | Leo | Virgo |
| Aug 19, 1957, 04:28 UTC | ♇ Pluto | Leo | Virgo |
| Aug 20, 1957, 00:44 UTC | ♀ Venus | Virgo | Libra |
| Aug 23, 1957, 10:08 UTC | ☉ Sun | Leo | Virgo |
| Sep 14, 1957, 06:19 UTC | ♀ Venus | Libra | Scorpio |
| Sep 23, 1957, 07:26 UTC | ☉ Sun | Virgo | Libra |
| Sep 24, 1957, 04:31 UTC | ♂ Mars | Virgo | Libra |
| Oct 6, 1957, 11:08 UTC | ☿ Mercury | Virgo | Libra |
| Oct 10, 1957, 01:16 UTC | ♀ Venus | Scorpio | Sagittarius |
| Oct 23, 1957, 16:24 UTC | ☉ Sun | Libra | Scorpio |
| Oct 23, 1957, 20:51 UTC | ☿ Mercury | Libra | Scorpio |
| Nov 5, 1957, 23:46 UTC | ♀ Venus | Sagittarius | Capricorn |
| Nov 8, 1957, 21:04 UTC | ♂ Mars | Libra | Scorpio |
| Nov 11, 1957, 18:00 UTC | ☿ Mercury | Scorpio | Sagittarius |
| Nov 22, 1957, 13:39 UTC | ☉ Sun | Scorpio | Sagittarius |
| Dec 2, 1957, 11:19 UTC | ☿ Mercury | Sagittarius | Capricorn |
| Dec 6, 1957, 15:26 UTC | ♀ Venus | Capricorn | Aquarius |
| Dec 22, 1957, 02:48 UTC | ☉ Sun | Sagittarius | Capricorn |
| Dec 23, 1957, 01:29 UTC | ♂ Mars | Scorpio | Sagittarius |
| Dec 28, 1957, 17:30 UTC | ☿ Mercury ℞ | Capricorn | Sagittarius |