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 Friday, 18 December 2026: day of Venus
- Sunrise
- 08:51
- Sunset
- 17:00
- Next sunrise
- 08:51
A day hour lasts 41 min; a night hour, 1h 19m. Local time (Europe/Paris).
Day
- 1♀︎ Venus08:51 – 09:32
- 2☿︎ Mercury09:32 – 10:12
- 3☽︎ Moon10:12 – 10:53
- 4♄︎ Saturn10:53 – 11:34
- 5♃︎ Jupiter11:34 – 12:15
- 6♂︎ Mars12:15 – 12:56
- 7☉︎ Sun12:56 – 13:36
- 8♀︎ Venus13:36 – 14:17
- 9☿︎ Mercury14:17 – 14:58
- 10☽︎ Moon14:58 – 15:39
- 11♄︎ Saturn15:39 – 16:20
- 12♃︎ Jupiter16:20 – 17:00
Night
- 1♂︎ Mars17:00 – 18:20
- 2☉︎ Sun18:20 – 19:39
- 3♀︎ Venus19:39 – 20:58
- 4☿︎ Mercury20:58 – 22:17
- 5☽︎ Moon22:17 – 23:37
- 6♄︎ Saturn23:37 – 00:56
- 7♃︎ Jupiter00:56 – 02:15
- 8♂︎ Mars02:15 – 03:34
- 9☉︎ Sun03:34 – 04:54
- 10♀︎ Venus04:54 – 06:13
- 11☿︎ Mercury06:13 – 07:32
- 12☽︎ Moon07:32 – 08:51
Other cities · France
Questions
How are the planetary hours calculated in Le Havre?
On Friday, 18 December 2026, the Sun rises at 08:51 and sets at 17:00: the day lasts 8h 10m, that is twelve day hours of 41 min. The night, until the next sunrise at 08:51, lasts 15h 51m: twelve night hours of 1h 19m.
Which planet rules the first hour that day?
Venus, from 08:51 to 09:32: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.