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 Saturday, 4 October 2025: day of Saturn
- Sunrise
- 07:50
- Sunset
- 19:15
- Next sunrise
- 07:52
A day hour lasts 57 min; a night hour, 1h 03m. Local time (Europe/Brussels).
Day
- 1♄︎ Saturn07:50 – 08:47
- 2♃︎ Jupiter08:47 – 09:44
- 3♂︎ Mars09:44 – 10:41
- 4☉︎ Sun10:41 – 11:39
- 5♀︎ Venus11:39 – 12:36
- 6☿︎ Mercury12:36 – 13:33
- 7☽︎ Moon13:33 – 14:30
- 8♄︎ Saturn14:30 – 15:27
- 9♃︎ Jupiter15:27 – 16:24
- 10♂︎ Mars16:24 – 17:21
- 11☉︎ Sun17:21 – 18:18
- 12♀︎ Venus18:18 – 19:15
Night
- 1☿︎ Mercury19:15 – 20:19
- 2☽︎ Moon20:19 – 21:22
- 3♄︎ Saturn21:22 – 22:25
- 4♃︎ Jupiter22:25 – 23:28
- 5♂︎ Mars23:28 – 00:31
- 6☉︎ Sun00:31 – 01:34
- 7♀︎ Venus01:34 – 02:37
- 8☿︎ Mercury02:37 – 03:40
- 9☽︎ Moon03:40 – 04:43
- 10♄︎ Saturn04:43 – 05:46
- 11♃︎ Jupiter05:46 – 06:49
- 12♂︎ Mars06:49 – 07:52
Other cities · Belgium
Questions
How are the planetary hours calculated in Gent?
On Saturday, 4 October 2025, the Sun rises at 07:50 and sets at 19:15: the day lasts 11h 25m, that is twelve day hours of 57 min. The night, until the next sunrise at 07:52, lasts 12h 36m: twelve night hours of 1h 03m.
Which planet rules the first hour that day?
Saturn, from 07:50 to 08:47: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.