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 Wednesday, 24 December 2025: day of Mercury
- Sunrise
- 08:54
- Sunset
- 17:04
- Next sunrise
- 08:54
A day hour lasts 41 min; a night hour, 1h 19m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:54 – 09:35
- 2☽︎ Moon09:35 – 10:16
- 3♄︎ Saturn10:16 – 10:56
- 4♃︎ Jupiter10:56 – 11:37
- 5♂︎ Mars11:37 – 12:18
- 6☉︎ Sun12:18 – 12:59
- 7♀︎ Venus12:59 – 13:40
- 8☿︎ Mercury13:40 – 14:20
- 9☽︎ Moon14:20 – 15:01
- 10♄︎ Saturn15:01 – 15:42
- 11♃︎ Jupiter15:42 – 16:23
- 12♂︎ Mars16:23 – 17:04
Night
- 1☉︎ Sun17:04 – 18:23
- 2♀︎ Venus18:23 – 19:42
- 3☿︎ Mercury19:42 – 21:01
- 4☽︎ Moon21:01 – 22:20
- 5♄︎ Saturn22:20 – 23:40
- 6♃︎ Jupiter23:40 – 00:59
- 7♂︎ Mars00:59 – 02:18
- 8☉︎ Sun02:18 – 03:37
- 9♀︎ Venus03:37 – 04:57
- 10☿︎ Mercury04:57 – 06:16
- 11☽︎ Moon06:16 – 07:35
- 12♄︎ Saturn07:35 – 08:54
Other cities · France
Questions
How are the planetary hours calculated in Le Havre?
On Wednesday, 24 December 2025, the Sun rises at 08:54 and sets at 17:04: the day lasts 8h 10m, that is twelve day hours of 41 min. The night, until the next sunrise at 08:54, lasts 15h 51m: twelve night hours of 1h 19m.
Which planet rules the first hour that day?
Mercury, from 08:54 to 09:35: 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.