Every ingress of the Sun and planets, chronologically, with the exact UTC instant. Retrograde re-entries are marked.
In 1977 the Sun and planets change signs 48 times. Outer-planet ingresses: Jupiter enters Gemini on Apr 3, 1977, 15:41 UTC; Jupiter enters Cancer on Aug 20, 1977, 12:42 UTC; Saturn enters Virgo on Nov 17, 1977, 02:42 UTC; Jupiter enters Gemini on Dec 30, 1977, 23:50 UTC (retrograde re-entry).
| Instant (UTC) | Planet | From | Into |
|---|---|---|---|
| Jan 1, 1977, 00:42 UTC | ♂ Mars | Sagittarius | Capricorn |
| Jan 4, 1977, 13:01 UTC | ♀ Venus | Aquarius | Pisces |
| Jan 20, 1977, 04:14 UTC | ☉ Sun | Capricorn | Aquarius |
| Feb 2, 1977, 05:54 UTC | ♀ Venus | Pisces | Aries |
| Feb 9, 1977, 11:57 UTC | ♂ Mars | Capricorn | Aquarius |
| Feb 10, 1977, 23:55 UTC | ☿ Mercury | Capricorn | Aquarius |
| Feb 18, 1977, 18:31 UTC | ☉ Sun | Aquarius | Pisces |
| Mar 2, 1977, 08:08 UTC | ☿ Mercury | Aquarius | Pisces |
| Mar 18, 1977, 11:56 UTC | ☿ Mercury | Pisces | Aries |
| Mar 20, 1977, 02:20 UTC | ♂ Mars | Aquarius | Pisces |
| Mar 20, 1977, 17:42 UTC | ☉ Sun | Pisces | Aries |
| Apr 3, 1977, 02:46 UTC | ☿ Mercury | Aries | Taurus |
| Apr 3, 1977, 15:41 UTC | ♃ Jupiter | Taurus | Gemini |
| Apr 20, 1977, 04:57 UTC | ☉ Sun | Aries | Taurus |
| Apr 27, 1977, 15:45 UTC | ♂ Mars | Pisces | Aries |
| May 21, 1977, 04:14 UTC | ☉ Sun | Taurus | Gemini |
| Jun 6, 1977, 03:00 UTC | ♂ Mars | Aries | Taurus |
| Jun 6, 1977, 06:10 UTC | ♀ Venus | Aries | Taurus |
| Jun 10, 1977, 21:07 UTC | ☿ Mercury | Taurus | Gemini |
| Jun 21, 1977, 12:14 UTC | ☉ Sun | Gemini | Cancer |
| Jun 26, 1977, 07:07 UTC | ☿ Mercury | Gemini | Cancer |
| Jul 6, 1977, 15:09 UTC | ♀ Venus | Taurus | Gemini |
| Jul 10, 1977, 12:00 UTC | ☿ Mercury | Cancer | Leo |
| Jul 17, 1977, 15:12 UTC | ♂ Mars | Taurus | Gemini |
| Jul 22, 1977, 23:03 UTC | ☉ Sun | Cancer | Leo |
| Jul 28, 1977, 10:15 UTC | ☿ Mercury | Leo | Virgo |
| Aug 2, 1977, 19:18 UTC | ♀ Venus | Gemini | Cancer |
| Aug 20, 1977, 12:42 UTC | ♃ Jupiter | Gemini | Cancer |
| Aug 23, 1977, 06:00 UTC | ☉ Sun | Leo | Virgo |
| Aug 28, 1977, 15:09 UTC | ♀ Venus | Cancer | Leo |
| Sep 1, 1977, 00:20 UTC | ♂ Mars | Gemini | Cancer |
| Sep 22, 1977, 15:05 UTC | ♀ Venus | Leo | Virgo |
| Sep 23, 1977, 03:29 UTC | ☉ Sun | Virgo | Libra |
| Oct 4, 1977, 09:17 UTC | ☿ Mercury | Virgo | Libra |
| Oct 17, 1977, 01:37 UTC | ♀ Venus | Virgo | Libra |
| Oct 21, 1977, 16:23 UTC | ☿ Mercury | Libra | Scorpio |
| Oct 23, 1977, 12:40 UTC | ☉ Sun | Libra | Scorpio |
| Oct 26, 1977, 18:56 UTC | ♂ Mars | Cancer | Leo |
| Nov 9, 1977, 17:20 UTC | ☿ Mercury | Scorpio | Sagittarius |
| Nov 10, 1977, 03:52 UTC | ♀ Venus | Libra | Scorpio |
| Nov 17, 1977, 02:42 UTC | ♄ Saturn | Leo | Virgo |
| Nov 22, 1977, 10:07 UTC | ☉ Sun | Scorpio | Sagittarius |
| Dec 1, 1977, 06:43 UTC | ☿ Mercury | Sagittarius | Capricorn |
| Dec 4, 1977, 01:49 UTC | ♀ Venus | Scorpio | Sagittarius |
| Dec 21, 1977, 07:18 UTC | ☿ Mercury ℞ | Capricorn | Sagittarius |
| Dec 21, 1977, 23:23 UTC | ☉ Sun | Sagittarius | Capricorn |
| Dec 27, 1977, 22:09 UTC | ♀ Venus | Sagittarius | Capricorn |
| Dec 30, 1977, 23:50 UTC | ♃ Jupiter ℞ | Cancer | Gemini |