Planetary hours
in Belfast.
The day, from sunrise to sunset, is cut into twelve equal hours; so is the night, from sunset to the next sunrise. Each hour carries a planet, in the Chaldean order. A planetary hour therefore lasts 60 minutes only at the equinoxes: it all depends on the date and the city. Here are the exact hours for your city; what you do with them is up to you.
Planetary day of Wednesday, 7 October 2026: day of Mercury
- Sunrise
- 07:37
- Sunset
- 18:44
- Next sunrise
- 07:38
A day hour lasts 56 min; a night hour, 1h 04m. Local time (Europe/London).
Day
- 1☿︎ Mercury07:37 – 08:32
- 2☽︎ Moon08:32 – 09:28
- 3♄︎ Saturn09:28 – 10:24
- 4♃︎ Jupiter10:24 – 11:19
- 5♂︎ Mars11:19 – 12:15
- 6☉︎ Sun12:15 – 13:11
- 7♀︎ Venus13:11 – 14:06
- 8☿︎ Mercury14:06 – 15:02
- 9☽︎ Moon15:02 – 15:58
- 10♄︎ Saturn15:58 – 16:53
- 11♃︎ Jupiter16:53 – 17:49
- 12♂︎ Mars17:49 – 18:44
Night
- 1☉︎ Sun18:44 – 19:49
- 2♀︎ Venus19:49 – 20:53
- 3☿︎ Mercury20:53 – 21:58
- 4☽︎ Moon21:58 – 23:02
- 5♄︎ Saturn23:02 – 00:07
- 6♃︎ Jupiter00:07 – 01:11
- 7♂︎ Mars01:11 – 02:16
- 8☉︎ Sun02:16 – 03:20
- 9♀︎ Venus03:20 – 04:25
- 10☿︎ Mercury04:25 – 05:29
- 11☽︎ Moon05:29 – 06:34
- 12♄︎ Saturn06:34 – 07:38
Other cities · United Kingdom
Questions
How are the planetary hours calculated in Belfast?
On Wednesday, 7 October 2026, the Sun rises at 07:37 and sets at 18:44: the day lasts 11h 08m, that is twelve day hours of 56 min. The night, until the next sunrise at 07:38, lasts 12h 54m: twelve night hours of 1h 04m.
Which planet rules the first hour that day?
Mercury, from 07:37 to 08:32: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury again.
Today’s sky, on YOUR chart
Planetary hours are the same for everyone in a city. Your chart is yours alone: every morning AstroXP crosses the real sky with your birth, to the minute, and tells you what time it plays out for you.
On a computer? Scan this code with your phone.
Calendars
Sunrise and sunset calculated for the city (the Sun’s centre 0°50′ below the horizon: refraction and semi-diameter), local time of the city’s time zone. Checked against astronomy-engine, the app’s engine.