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 Thursday, 15 January 2026: day of Jupiter
- Sunrise
- 08:42
- Sunset
- 17:07
- Next sunrise
- 08:41
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Brussels).
Day
- 1♃︎ Jupiter08:42 – 09:24
- 2♂︎ Mars09:24 – 10:06
- 3☉︎ Sun10:06 – 10:48
- 4♀︎ Venus10:48 – 11:30
- 5☿︎ Mercury11:30 – 12:12
- 6☽︎ Moon12:12 – 12:54
- 7♄︎ Saturn12:54 – 13:36
- 8♃︎ Jupiter13:36 – 14:18
- 9♂︎ Mars14:18 – 15:01
- 10☉︎ Sun15:01 – 15:43
- 11♀︎ Venus15:43 – 16:25
- 12☿︎ Mercury16:25 – 17:07
Night
- 1☽︎ Moon17:07 – 18:25
- 2♄︎ Saturn18:25 – 19:43
- 3♃︎ Jupiter19:43 – 21:00
- 4♂︎ Mars21:00 – 22:18
- 5☉︎ Sun22:18 – 23:36
- 6♀︎ Venus23:36 – 00:54
- 7☿︎ Mercury00:54 – 02:12
- 8☽︎ Moon02:12 – 03:29
- 9♄︎ Saturn03:29 – 04:47
- 10♃︎ Jupiter04:47 – 06:05
- 11♂︎ Mars06:05 – 07:23
- 12☉︎ Sun07:23 – 08:41
Other cities · Belgium
Questions
How are the planetary hours calculated in Gent?
On Thursday, 15 January 2026, the Sun rises at 08:42 and sets at 17:07: the day lasts 8h 25m, that is twelve day hours of 42 min. The night, until the next sunrise at 08:41, lasts 15h 34m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Jupiter, from 08:42 to 09:24: 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.