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, 13 January 2026: day of Mars
- Sunrise
- 08:43
- Sunset
- 17:04
- Next sunrise
- 08:42
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Brussels).
Day
- 1♂︎ Mars08:43 – 09:25
- 2☉︎ Sun09:25 – 10:07
- 3♀︎ Venus10:07 – 10:48
- 4☿︎ Mercury10:48 – 11:30
- 5☽︎ Moon11:30 – 12:12
- 6♄︎ Saturn12:12 – 12:53
- 7♃︎ Jupiter12:53 – 13:35
- 8♂︎ Mars13:35 – 14:17
- 9☉︎ Sun14:17 – 14:59
- 10♀︎ Venus14:59 – 15:40
- 11☿︎ Mercury15:40 – 16:22
- 12☽︎ Moon16:22 – 17:04
Night
- 1♄︎ Saturn17:04 – 18:22
- 2♃︎ Jupiter18:22 – 19:40
- 3♂︎ Mars19:40 – 20:58
- 4☉︎ Sun20:58 – 22:17
- 5♀︎ Venus22:17 – 23:35
- 6☿︎ Mercury23:35 – 00:53
- 7☽︎ Moon00:53 – 02:11
- 8♄︎ Saturn02:11 – 03:30
- 9♃︎ Jupiter03:30 – 04:48
- 10♂︎ Mars04:48 – 06:06
- 11☉︎ Sun06:06 – 07:24
- 12♀︎ Venus07:24 – 08:42
Other cities · Belgium
Questions
How are the planetary hours calculated in Gent?
On Tuesday, 13 January 2026, the Sun rises at 08:43 and sets at 17:04: the day lasts 8h 21m, that is twelve day hours of 42 min. The night, until the next sunrise at 08:42, lasts 15h 39m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Mars, from 08:43 to 09:25: 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.