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, 20 January 2026: day of Mars
- Sunrise
- 08:45
- Sunset
- 17:35
- Next sunrise
- 08:44
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:45 – 09:30
- 2☉︎ Sun09:30 – 10:14
- 3♀︎ Venus10:14 – 10:58
- 4☿︎ Mercury10:58 – 11:42
- 5☽︎ Moon11:42 – 12:26
- 6♄︎ Saturn12:26 – 13:10
- 7♃︎ Jupiter13:10 – 13:54
- 8♂︎ Mars13:54 – 14:39
- 9☉︎ Sun14:39 – 15:23
- 10♀︎ Venus15:23 – 16:07
- 11☿︎ Mercury16:07 – 16:51
- 12☽︎ Moon16:51 – 17:35
Night
- 1♄︎ Saturn17:35 – 18:51
- 2♃︎ Jupiter18:51 – 20:07
- 3♂︎ Mars20:07 – 21:23
- 4☉︎ Sun21:23 – 22:38
- 5♀︎ Venus22:38 – 23:54
- 6☿︎ Mercury23:54 – 01:10
- 7☽︎ Moon01:10 – 02:26
- 8♄︎ Saturn02:26 – 03:41
- 9♃︎ Jupiter03:41 – 04:57
- 10♂︎ Mars04:57 – 06:13
- 11☉︎ Sun06:13 – 07:29
- 12♀︎ Venus07:29 – 08:44
Other cities · France
Questions
How are the planetary hours calculated in Le Havre?
On Tuesday, 20 January 2026, the Sun rises at 08:45 and sets at 17:35: the day lasts 8h 50m, that is twelve day hours of 44 min. The night, until the next sunrise at 08:44, lasts 15h 09m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Mars, from 08:45 to 09:30: 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.