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, 31 October 2026: day of Saturn
- Sunrise
- 07:31
- Sunset
- 17:17
- Next sunrise
- 07:32
A day hour lasts 49 min; a night hour, 1h 11m. Local time (Europe/Brussels).
Day
- 1♄︎ Saturn07:31 – 08:20
- 2♃︎ Jupiter08:20 – 09:08
- 3♂︎ Mars09:08 – 09:57
- 4☉︎ Sun09:57 – 10:46
- 5♀︎ Venus10:46 – 11:35
- 6☿︎ Mercury11:35 – 12:24
- 7☽︎ Moon12:24 – 13:13
- 8♄︎ Saturn13:13 – 14:02
- 9♃︎ Jupiter14:02 – 14:51
- 10♂︎ Mars14:51 – 15:39
- 11☉︎ Sun15:39 – 16:28
- 12♀︎ Venus16:28 – 17:17
Night
- 1☿︎ Mercury17:17 – 18:28
- 2☽︎ Moon18:28 – 19:40
- 3♄︎ Saturn19:40 – 20:51
- 4♃︎ Jupiter20:51 – 22:02
- 5♂︎ Mars22:02 – 23:14
- 6☉︎ Sun23:14 – 00:25
- 7♀︎ Venus00:25 – 01:36
- 8☿︎ Mercury01:36 – 02:47
- 9☽︎ Moon02:47 – 03:59
- 10♄︎ Saturn03:59 – 05:10
- 11♃︎ Jupiter05:10 – 06:21
- 12♂︎ Mars06:21 – 07:32
Other cities · Belgium
Questions
How are the planetary hours calculated in Leuven?
On Saturday, 31 October 2026, the Sun rises at 07:31 and sets at 17:17: the day lasts 9h 47m, that is twelve day hours of 49 min. The night, until the next sunrise at 07:32, lasts 14h 15m: twelve night hours of 1h 11m.
Which planet rules the first hour that day?
Saturn, from 07:31 to 08:20: 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.