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 Wednesday, 1 October 2025: day of Mercury
- Sunrise
- 07:45
- Sunset
- 19:22
- Next sunrise
- 07:47
A day hour lasts 58 min; a night hour, 1h 02m. Local time (Europe/Brussels).
Day
- 1☿︎ Mercury07:45 – 08:43
- 2☽︎ Moon08:43 – 09:41
- 3♄︎ Saturn09:41 – 10:40
- 4♃︎ Jupiter10:40 – 11:38
- 5♂︎ Mars11:38 – 12:36
- 6☉︎ Sun12:36 – 13:34
- 7♀︎ Venus13:34 – 14:32
- 8☿︎ Mercury14:32 – 15:30
- 9☽︎ Moon15:30 – 16:28
- 10♄︎ Saturn16:28 – 17:26
- 11♃︎ Jupiter17:26 – 18:24
- 12♂︎ Mars18:24 – 19:22
Night
- 1☉︎ Sun19:22 – 20:24
- 2♀︎ Venus20:24 – 21:26
- 3☿︎ Mercury21:26 – 22:28
- 4☽︎ Moon22:28 – 23:30
- 5♄︎ Saturn23:30 – 00:32
- 6♃︎ Jupiter00:32 – 01:35
- 7♂︎ Mars01:35 – 02:37
- 8☉︎ Sun02:37 – 03:39
- 9♀︎ Venus03:39 – 04:41
- 10☿︎ Mercury04:41 – 05:43
- 11☽︎ Moon05:43 – 06:45
- 12♄︎ Saturn06:45 – 07:47
Other cities · Belgium
Questions
How are the planetary hours calculated in Gent?
On Wednesday, 1 October 2025, the Sun rises at 07:45 and sets at 19:22: the day lasts 11h 37m, that is twelve day hours of 58 min. The night, until the next sunrise at 07:47, lasts 12h 25m: twelve night hours of 1h 02m.
Which planet rules the first hour that day?
Mercury, from 07:45 to 08:43: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.