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 Monday, 22 December 2025: day of the Moon
- Sunrise
- 08:46
- Sunset
- 16:40
- Next sunrise
- 08:47
A day hour lasts 40 min; a night hour, 1h 21m. Local time (Europe/Brussels).
Day
- 1☽︎ Moon08:46 – 09:26
- 2♄︎ Saturn09:26 – 10:05
- 3♃︎ Jupiter10:05 – 10:45
- 4♂︎ Mars10:45 – 11:24
- 5☉︎ Sun11:24 – 12:04
- 6♀︎ Venus12:04 – 12:43
- 7☿︎ Mercury12:43 – 13:23
- 8☽︎ Moon13:23 – 14:02
- 9♄︎ Saturn14:02 – 14:42
- 10♃︎ Jupiter14:42 – 15:21
- 11♂︎ Mars15:21 – 16:01
- 12☉︎ Sun16:01 – 16:40
Night
- 1♀︎ Venus16:40 – 18:01
- 2☿︎ Mercury18:01 – 19:21
- 3☽︎ Moon19:21 – 20:42
- 4♄︎ Saturn20:42 – 22:03
- 5♃︎ Jupiter22:03 – 23:23
- 6♂︎ Mars23:23 – 00:44
- 7☉︎ Sun00:44 – 02:04
- 8♀︎ Venus02:04 – 03:25
- 9☿︎ Mercury03:25 – 04:45
- 10☽︎ Moon04:45 – 06:06
- 11♄︎ Saturn06:06 – 07:26
- 12♃︎ Jupiter07:26 – 08:47
Other cities · Belgium
Questions
How are the planetary hours calculated in Gent?
On Monday, 22 December 2025, the Sun rises at 08:46 and sets at 16:40: the day lasts 7h 54m, that is twelve day hours of 40 min. The night, until the next sunrise at 08:47, lasts 16h 06m: twelve night hours of 1h 21m.
Which planet rules the first hour that day?
The Moon, from 08:46 to 09:26: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.