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 Tuesday, 23 December 2025: day of Mars
- Sunrise
- 08:54
- Sunset
- 17:03
- Next sunrise
- 08:54
A day hour lasts 41 min; a night hour, 1h 19m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:54 – 09:34
- 2☉︎ Sun09:34 – 10:15
- 3♀︎ Venus10:15 – 10:56
- 4☿︎ Mercury10:56 – 11:37
- 5☽︎ Moon11:37 – 12:17
- 6♄︎ Saturn12:17 – 12:58
- 7♃︎ Jupiter12:58 – 13:39
- 8♂︎ Mars13:39 – 14:20
- 9☉︎ Sun14:20 – 15:01
- 10♀︎ Venus15:01 – 15:41
- 11☿︎ Mercury15:41 – 16:22
- 12☽︎ Moon16:22 – 17:03
Night
- 1♄︎ Saturn17:03 – 18:22
- 2♃︎ Jupiter18:22 – 19:41
- 3♂︎ Mars19:41 – 21:01
- 4☉︎ Sun21:01 – 22:20
- 5♀︎ Venus22:20 – 23:39
- 6☿︎ Mercury23:39 – 00:58
- 7☽︎ Moon00:58 – 02:18
- 8♄︎ Saturn02:18 – 03:37
- 9♃︎ Jupiter03:37 – 04:56
- 10♂︎ Mars04:56 – 06:15
- 11☉︎ Sun06:15 – 07:35
- 12♀︎ Venus07:35 – 08:54
Other cities · France
Questions
How are the planetary hours calculated in Le Havre?
On Tuesday, 23 December 2025, the Sun rises at 08:54 and sets at 17:03: the day lasts 8h 09m, 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?
Mars, from 08:54 to 09:34: 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.