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, 21 October 2025: day of Mars
- Sunrise
- 08:30
- Sunset
- 18:57
- Next sunrise
- 08:32
A day hour lasts 52 min; a night hour, 1h 08m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:30 – 09:22
- 2☉︎ Sun09:22 – 10:14
- 3♀︎ Venus10:14 – 11:07
- 4☿︎ Mercury11:07 – 11:59
- 5☽︎ Moon11:59 – 12:51
- 6♄︎ Saturn12:51 – 13:43
- 7♃︎ Jupiter13:43 – 14:35
- 8♂︎ Mars14:35 – 15:28
- 9☉︎ Sun15:28 – 16:20
- 10♀︎ Venus16:20 – 17:12
- 11☿︎ Mercury17:12 – 18:04
- 12☽︎ Moon18:04 – 18:57
Night
- 1♄︎ Saturn18:57 – 20:04
- 2♃︎ Jupiter20:04 – 21:12
- 3♂︎ Mars21:12 – 22:20
- 4☉︎ Sun22:20 – 23:28
- 5♀︎ Venus23:28 – 00:36
- 6☿︎ Mercury00:36 – 01:44
- 7☽︎ Moon01:44 – 02:52
- 8♄︎ Saturn02:52 – 04:00
- 9♃︎ Jupiter04:00 – 05:08
- 10♂︎ Mars05:08 – 06:16
- 11☉︎ Sun06:16 – 07:24
- 12♀︎ Venus07:24 – 08:32
Other cities · France
Questions
How are the planetary hours calculated in Le Havre?
On Tuesday, 21 October 2025, the Sun rises at 08:30 and sets at 18:57: the day lasts 10h 27m, that is twelve day hours of 52 min. The night, until the next sunrise at 08:32, lasts 13h 35m: twelve night hours of 1h 08m.
Which planet rules the first hour that day?
Mars, from 08:30 to 09:22: 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.