Every ingress of the Sun and planets, chronologically, with the exact UTC instant. Retrograde re-entries are marked.
In 1998 the Sun and planets change signs 51 times. Outer-planet ingresses: Neptune enters Aquarius on Jan 29, 1998, 02:52 UTC; Jupiter enters Pisces on Feb 4, 1998, 10:52 UTC; Saturn enters Taurus on Jun 9, 1998, 06:07 UTC; Neptune enters Capricorn on Aug 23, 1998, 00:13 UTC (retrograde re-entry); Saturn enters Aries on Oct 25, 1998, 18:41 UTC (retrograde re-entry); Neptune enters Aquarius on Nov 28, 1998, 01:20 UTC.
| Instant (UTC) | Planet | From | Into |
|---|---|---|---|
| Jan 9, 1998, 21:03 UTC | ♀ Venus ℞ | Aquarius | Capricorn |
| Jan 12, 1998, 16:21 UTC | ☿ Mercury | Sagittarius | Capricorn |
| Jan 20, 1998, 06:46 UTC | ☉ Sun | Capricorn | Aquarius |
| Jan 25, 1998, 09:26 UTC | ♂ Mars | Aquarius | Pisces |
| Jan 29, 1998, 02:52 UTC | ♆ Neptune | Capricorn | Aquarius |
| Feb 2, 1998, 15:14 UTC | ☿ Mercury | Capricorn | Aquarius |
| Feb 4, 1998, 10:52 UTC | ♃ Jupiter | Aquarius | Pisces |
| Feb 18, 1998, 20:55 UTC | ☉ Sun | Aquarius | Pisces |
| Feb 20, 1998, 10:22 UTC | ☿ Mercury | Aquarius | Pisces |
| Mar 4, 1998, 16:14 UTC | ♀ Venus | Capricorn | Aquarius |
| Mar 4, 1998, 16:18 UTC | ♂ Mars | Pisces | Aries |
| Mar 8, 1998, 08:29 UTC | ☿ Mercury | Pisces | Aries |
| Mar 20, 1998, 19:54 UTC | ☉ Sun | Pisces | Aries |
| Apr 6, 1998, 05:38 UTC | ♀ Venus | Aquarius | Pisces |
| Apr 13, 1998, 01:04 UTC | ♂ Mars | Aries | Taurus |
| Apr 20, 1998, 06:57 UTC | ☉ Sun | Aries | Taurus |
| May 3, 1998, 19:16 UTC | ♀ Venus | Pisces | Aries |
| May 15, 1998, 02:10 UTC | ☿ Mercury | Aries | Taurus |
| May 21, 1998, 06:05 UTC | ☉ Sun | Taurus | Gemini |
| May 24, 1998, 03:42 UTC | ♂ Mars | Taurus | Gemini |
| May 29, 1998, 23:32 UTC | ♀ Venus | Aries | Taurus |
| Jun 1, 1998, 08:08 UTC | ☿ Mercury | Taurus | Gemini |
| Jun 9, 1998, 06:07 UTC | ♄ Saturn | Aries | Taurus |
| Jun 15, 1998, 05:33 UTC | ☿ Mercury | Gemini | Cancer |
| Jun 21, 1998, 14:03 UTC | ☉ Sun | Gemini | Cancer |
| Jun 24, 1998, 12:27 UTC | ♀ Venus | Taurus | Gemini |
| Jun 30, 1998, 23:52 UTC | ☿ Mercury | Cancer | Leo |
| Jul 6, 1998, 09:00 UTC | ♂ Mars | Gemini | Cancer |
| Jul 19, 1998, 15:17 UTC | ♀ Venus | Gemini | Cancer |
| Jul 23, 1998, 00:55 UTC | ☉ Sun | Cancer | Leo |
| Aug 13, 1998, 09:19 UTC | ♀ Venus | Cancer | Leo |
| Aug 20, 1998, 19:16 UTC | ♂ Mars | Cancer | Leo |
| Aug 23, 1998, 00:13 UTC | ♆ Neptune ℞ | Aquarius | Capricorn |
| Aug 23, 1998, 07:59 UTC | ☉ Sun | Leo | Virgo |
| Sep 6, 1998, 19:25 UTC | ♀ Venus | Leo | Virgo |
| Sep 8, 1998, 01:58 UTC | ☿ Mercury | Leo | Virgo |
| Sep 23, 1998, 05:37 UTC | ☉ Sun | Virgo | Libra |
| Sep 24, 1998, 10:13 UTC | ☿ Mercury | Virgo | Libra |
| Sep 30, 1998, 23:13 UTC | ♀ Venus | Virgo | Libra |
| Oct 7, 1998, 12:28 UTC | ♂ Mars | Leo | Virgo |
| Oct 12, 1998, 02:44 UTC | ☿ Mercury | Libra | Scorpio |
| Oct 23, 1998, 14:59 UTC | ☉ Sun | Libra | Scorpio |
| Oct 24, 1998, 23:06 UTC | ♀ Venus | Libra | Scorpio |
| Oct 25, 1998, 18:41 UTC | ♄ Saturn ℞ | Taurus | Aries |
| Nov 1, 1998, 16:02 UTC | ☿ Mercury | Scorpio | Sagittarius |
| Nov 17, 1998, 21:06 UTC | ♀ Venus | Scorpio | Sagittarius |
| Nov 22, 1998, 12:34 UTC | ☉ Sun | Scorpio | Sagittarius |
| Nov 27, 1998, 10:10 UTC | ♂ Mars | Virgo | Libra |
| Nov 28, 1998, 01:20 UTC | ♆ Neptune | Capricorn | Aquarius |
| Dec 11, 1998, 18:33 UTC | ♀ Venus | Sagittarius | Capricorn |
| Dec 22, 1998, 01:56 UTC | ☉ Sun | Sagittarius | Capricorn |