Planetary hours
in Leuven.
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, 3 October 2026: day of Saturn
- Sunrise
- 07:44
- Sunset
- 19:14
- Next sunrise
- 07:46
A day hour lasts 58 min; a night hour, 1h 03m. Local time (Europe/Brussels).
Day
- 1♄︎ Saturn07:44 – 08:42
- 2♃︎ Jupiter08:42 – 09:39
- 3♂︎ Mars09:39 – 10:37
- 4☉︎ Sun10:37 – 11:34
- 5♀︎ Venus11:34 – 12:32
- 6☿︎ Mercury12:32 – 13:29
- 7☽︎ Moon13:29 – 14:27
- 8♄︎ Saturn14:27 – 15:24
- 9♃︎ Jupiter15:24 – 16:22
- 10♂︎ Mars16:22 – 17:19
- 11☉︎ Sun17:19 – 18:17
- 12♀︎ Venus18:17 – 19:14
Night
- 1☿︎ Mercury19:14 – 20:17
- 2☽︎ Moon20:17 – 21:20
- 3♄︎ Saturn21:20 – 22:22
- 4♃︎ Jupiter22:22 – 23:25
- 5♂︎ Mars23:25 – 00:27
- 6☉︎ Sun00:27 – 01:30
- 7♀︎ Venus01:30 – 02:33
- 8☿︎ Mercury02:33 – 03:35
- 9☽︎ Moon03:35 – 04:38
- 10♄︎ Saturn04:38 – 05:40
- 11♃︎ Jupiter05:40 – 06:43
- 12♂︎ Mars06:43 – 07:46
Other cities · Belgium
Questions
How are the planetary hours calculated in Leuven?
On Saturday, 3 October 2026, the Sun rises at 07:44 and sets at 19:14: the day lasts 11h 30m, that is twelve day hours of 58 min. The night, until the next sunrise at 07:46, lasts 12h 31m: twelve night hours of 1h 03m.
Which planet rules the first hour that day?
Saturn, from 07:44 to 08:42: 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.