Planetary hours
in Gent.
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, 8 October 2025: day of Mercury
- Sunrise
- 07:57
- Sunset
- 19:07
- Next sunrise
- 07:58
A day hour lasts 56 min; a night hour, 1h 04m. Local time (Europe/Brussels).
Day
- 1☿︎ Mercury07:57 – 08:52
- 2☽︎ Moon08:52 – 09:48
- 3♄︎ Saturn09:48 – 10:44
- 4♃︎ Jupiter10:44 – 11:40
- 5♂︎ Mars11:40 – 12:36
- 6☉︎ Sun12:36 – 13:32
- 7♀︎ Venus13:32 – 14:27
- 8☿︎ Mercury14:27 – 15:23
- 9☽︎ Moon15:23 – 16:19
- 10♄︎ Saturn16:19 – 17:15
- 11♃︎ Jupiter17:15 – 18:11
- 12♂︎ Mars18:11 – 19:07
Night
- 1☉︎ Sun19:07 – 20:11
- 2♀︎ Venus20:11 – 21:15
- 3☿︎ Mercury21:15 – 22:20
- 4☽︎ Moon22:20 – 23:24
- 5♄︎ Saturn23:24 – 00:28
- 6♃︎ Jupiter00:28 – 01:32
- 7♂︎ Mars01:32 – 02:37
- 8☉︎ Sun02:37 – 03:41
- 9♀︎ Venus03:41 – 04:45
- 10☿︎ Mercury04:45 – 05:50
- 11☽︎ Moon05:50 – 06:54
- 12♄︎ Saturn06:54 – 07:58
Other cities · Belgium
Questions
How are the planetary hours calculated in Gent?
On Wednesday, 8 October 2025, the Sun rises at 07:57 and sets at 19:07: the day lasts 11h 10m, that is twelve day hours of 56 min. The night, until the next sunrise at 07:58, lasts 12h 52m: twelve night hours of 1h 04m.
Which planet rules the first hour that day?
Mercury, from 07:57 to 08:52: 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.