Planetary hours
in Le Havre.
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 Saturday, 13 December 2025: day of Saturn
- Sunrise
- 08:47
- Sunset
- 16:59
- Next sunrise
- 08:48
A day hour lasts 41 min; a night hour, 1h 19m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:47 – 09:28
- 2♃︎ Jupiter09:28 – 10:09
- 3♂︎ Mars10:09 – 10:50
- 4☉︎ Sun10:50 – 11:31
- 5♀︎ Venus11:31 – 12:12
- 6☿︎ Mercury12:12 – 12:53
- 7☽︎ Moon12:53 – 13:34
- 8♄︎ Saturn13:34 – 14:15
- 9♃︎ Jupiter14:15 – 14:56
- 10♂︎ Mars14:56 – 15:37
- 11☉︎ Sun15:37 – 16:18
- 12♀︎ Venus16:18 – 16:59
Night
- 1☿︎ Mercury16:59 – 18:19
- 2☽︎ Moon18:19 – 19:38
- 3♄︎ Saturn19:38 – 20:57
- 4♃︎ Jupiter20:57 – 22:16
- 5♂︎ Mars22:16 – 23:35
- 6☉︎ Sun23:35 – 00:54
- 7♀︎ Venus00:54 – 02:13
- 8☿︎ Mercury02:13 – 03:32
- 9☽︎ Moon03:32 – 04:51
- 10♄︎ Saturn04:51 – 06:10
- 11♃︎ Jupiter06:10 – 07:29
- 12♂︎ Mars07:29 – 08:48
Other cities · France
Questions
How are the planetary hours calculated in Le Havre?
On Saturday, 13 December 2025, the Sun rises at 08:47 and sets at 16:59: the day lasts 8h 12m, that is twelve day hours of 41 min. The night, until the next sunrise at 08:48, lasts 15h 48m: twelve night hours of 1h 19m.
Which planet rules the first hour that day?
Saturn, from 08:47 to 09:28: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.