Every ingress of the Sun and planets, chronologically, with the exact UTC instant. Retrograde re-entries are marked.
In 1918 the Sun and planets change signs 44 times. Outer-planet ingresses: Jupiter enters Cancer on Jul 13, 1918, 05:53 UTC.
| Instant (UTC) | Planet | From | Into |
|---|---|---|---|
| Jan 11, 1918, 08:55 UTC | ♂ Mars | Virgo | Libra |
| Jan 20, 1918, 20:24 UTC | ☉ Sun | Capricorn | Aquarius |
| Feb 10, 1918, 09:24 UTC | ☿ Mercury | Capricorn | Aquarius |
| Feb 19, 1918, 10:53 UTC | ☉ Sun | Aquarius | Pisces |
| Feb 25, 1918, 19:00 UTC | ♂ Mars ℞ | Libra | Virgo |
| Mar 1, 1918, 07:52 UTC | ☿ Mercury | Aquarius | Pisces |
| Mar 17, 1918, 07:25 UTC | ☿ Mercury | Pisces | Aries |
| Mar 21, 1918, 10:25 UTC | ☉ Sun | Pisces | Aries |
| Apr 2, 1918, 13:15 UTC | ☿ Mercury | Aries | Taurus |
| Apr 5, 1918, 20:11 UTC | ♀ Venus | Aquarius | Pisces |
| Apr 20, 1918, 22:05 UTC | ☉ Sun | Aries | Taurus |
| May 6, 1918, 20:58 UTC | ♀ Venus | Pisces | Aries |
| May 21, 1918, 21:45 UTC | ☉ Sun | Taurus | Gemini |
| Jun 3, 1918, 05:27 UTC | ♀ Venus | Aries | Taurus |
| Jun 10, 1918, 01:22 UTC | ☿ Mercury | Taurus | Gemini |
| Jun 22, 1918, 06:00 UTC | ☉ Sun | Gemini | Cancer |
| Jun 23, 1918, 19:19 UTC | ♂ Mars | Virgo | Libra |
| Jun 24, 1918, 23:50 UTC | ☿ Mercury | Gemini | Cancer |
| Jun 29, 1918, 08:13 UTC | ♀ Venus | Taurus | Gemini |
| Jul 9, 1918, 08:39 UTC | ☿ Mercury | Cancer | Leo |
| Jul 13, 1918, 05:53 UTC | ♃ Jupiter | Gemini | Cancer |
| Jul 23, 1918, 16:51 UTC | ☉ Sun | Cancer | Leo |
| Jul 24, 1918, 18:43 UTC | ♀ Venus | Gemini | Cancer |
| Jul 28, 1918, 01:28 UTC | ☿ Mercury | Leo | Virgo |
| Aug 17, 1918, 04:16 UTC | ♂ Mars | Libra | Scorpio |
| Aug 18, 1918, 17:06 UTC | ♀ Venus | Cancer | Leo |
| Aug 23, 1918, 23:37 UTC | ☉ Sun | Leo | Virgo |
| Sep 12, 1918, 05:23 UTC | ♀ Venus | Leo | Virgo |
| Sep 23, 1918, 20:46 UTC | ☉ Sun | Virgo | Libra |
| Oct 1, 1918, 07:42 UTC | ♂ Mars | Scorpio | Sagittarius |
| Oct 3, 1918, 08:59 UTC | ☿ Mercury | Virgo | Libra |
| Oct 6, 1918, 09:59 UTC | ♀ Venus | Virgo | Libra |
| Oct 20, 1918, 16:47 UTC | ☿ Mercury | Libra | Scorpio |
| Oct 24, 1918, 05:33 UTC | ☉ Sun | Libra | Scorpio |
| Oct 30, 1918, 09:43 UTC | ♀ Venus | Libra | Scorpio |
| Nov 8, 1918, 22:06 UTC | ☿ Mercury | Scorpio | Sagittarius |
| Nov 11, 1918, 10:13 UTC | ♂ Mars | Sagittarius | Capricorn |
| Nov 23, 1918, 02:38 UTC | ☉ Sun | Scorpio | Sagittarius |
| Nov 23, 1918, 07:02 UTC | ♀ Venus | Scorpio | Sagittarius |
| Dec 1, 1918, 16:18 UTC | ☿ Mercury | Sagittarius | Capricorn |
| Dec 15, 1918, 13:03 UTC | ☿ Mercury ℞ | Capricorn | Sagittarius |
| Dec 17, 1918, 03:34 UTC | ♀ Venus | Sagittarius | Capricorn |
| Dec 20, 1918, 09:05 UTC | ♂ Mars | Capricorn | Aquarius |
| Dec 22, 1918, 15:41 UTC | ☉ Sun | Sagittarius | Capricorn |