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 Thursday, 16 July 2026: day of Jupiter
- Sunrise
- 05:45
- Sunset
- 21:48
- Next sunrise
- 05:46
A day hour lasts 1h 20m; a night hour, 40 min. Local time (Europe/Brussels).
Day
- 1♃︎ Jupiter05:45 – 07:05
- 2♂︎ Mars07:05 – 08:26
- 3☉︎ Sun08:26 – 09:46
- 4♀︎ Venus09:46 – 11:06
- 5☿︎ Mercury11:06 – 12:26
- 6☽︎ Moon12:26 – 13:46
- 7♄︎ Saturn13:46 – 15:07
- 8♃︎ Jupiter15:07 – 16:27
- 9♂︎ Mars16:27 – 17:47
- 10☉︎ Sun17:47 – 19:07
- 11♀︎ Venus19:07 – 20:27
- 12☿︎ Mercury20:27 – 21:48
Night
- 1☽︎ Moon21:48 – 22:28
- 2♄︎ Saturn22:28 – 23:07
- 3♃︎ Jupiter23:07 – 23:47
- 4♂︎ Mars23:47 – 00:27
- 5☉︎ Sun00:27 – 01:07
- 6♀︎ Venus01:07 – 01:47
- 7☿︎ Mercury01:47 – 02:27
- 8☽︎ Moon02:27 – 03:07
- 9♄︎ Saturn03:07 – 03:47
- 10♃︎ Jupiter03:47 – 04:27
- 11♂︎ Mars04:27 – 05:07
- 12☉︎ Sun05:07 – 05:46
Other cities · Belgium
Questions
How are the planetary hours calculated in Leuven?
On Thursday, 16 July 2026, the Sun rises at 05:45 and sets at 21:48: the day lasts 16h 02m, that is twelve day hours of 1h 20m. The night, until the next sunrise at 05:46, lasts 7h 59m: twelve night hours of 40 min.
Which planet rules the first hour that day?
Jupiter, from 05:45 to 07:05: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.