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 Tuesday, 9 September 2025: day of Mars
- Sunrise
- 07:11
- Sunset
- 20:12
- Next sunrise
- 07:12
A day hour lasts 1h 05m; a night hour, 55 min. Local time (Europe/Brussels).
Day
- 1♂︎ Mars07:11 – 08:16
- 2☉︎ Sun08:16 – 09:21
- 3♀︎ Venus09:21 – 10:26
- 4☿︎ Mercury10:26 – 11:31
- 5☽︎ Moon11:31 – 12:36
- 6♄︎ Saturn12:36 – 13:41
- 7♃︎ Jupiter13:41 – 14:46
- 8♂︎ Mars14:46 – 15:52
- 9☉︎ Sun15:52 – 16:57
- 10♀︎ Venus16:57 – 18:02
- 11☿︎ Mercury18:02 – 19:07
- 12☽︎ Moon19:07 – 20:12
Night
- 1♄︎ Saturn20:12 – 21:07
- 2♃︎ Jupiter21:07 – 22:02
- 3♂︎ Mars22:02 – 22:57
- 4☉︎ Sun22:57 – 23:52
- 5♀︎ Venus23:52 – 00:47
- 6☿︎ Mercury00:47 – 01:42
- 7☽︎ Moon01:42 – 02:37
- 8♄︎ Saturn02:37 – 03:32
- 9♃︎ Jupiter03:32 – 04:27
- 10♂︎ Mars04:27 – 05:22
- 11☉︎ Sun05:22 – 06:17
- 12♀︎ Venus06:17 – 07:12
Other cities · Belgium
Questions
How are the planetary hours calculated in Gent?
On Tuesday, 9 September 2025, the Sun rises at 07:11 and sets at 20:12: the day lasts 13h 01m, that is twelve day hours of 1h 05m. The night, until the next sunrise at 07:12, lasts 11h 00m: twelve night hours of 55 min.
Which planet rules the first hour that day?
Mars, from 07:11 to 08:16: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.