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, 21 January 2026: day of Mercury
- Sunrise
- 08:44
- Sunset
- 17:37
- Next sunrise
- 08:43
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:44 – 09:29
- 2☽︎ Moon09:29 – 10:13
- 3♄︎ Saturn10:13 – 10:58
- 4♃︎ Jupiter10:58 – 11:42
- 5♂︎ Mars11:42 – 12:26
- 6☉︎ Sun12:26 – 13:11
- 7♀︎ Venus13:11 – 13:55
- 8☿︎ Mercury13:55 – 14:39
- 9☽︎ Moon14:39 – 15:24
- 10♄︎ Saturn15:24 – 16:08
- 11♃︎ Jupiter16:08 – 16:52
- 12♂︎ Mars16:52 – 17:37
Night
- 1☉︎ Sun17:37 – 18:52
- 2♀︎ Venus18:52 – 20:08
- 3☿︎ Mercury20:08 – 21:23
- 4☽︎ Moon21:23 – 22:39
- 5♄︎ Saturn22:39 – 23:55
- 6♃︎ Jupiter23:55 – 01:10
- 7♂︎ Mars01:10 – 02:26
- 8☉︎ Sun02:26 – 03:41
- 9♀︎ Venus03:41 – 04:57
- 10☿︎ Mercury04:57 – 06:12
- 11☽︎ Moon06:12 – 07:28
- 12♄︎ Saturn07:28 – 08:43
Other cities · France
Questions
How are the planetary hours calculated in Le Havre?
On Wednesday, 21 January 2026, the Sun rises at 08:44 and sets at 17:37: the day lasts 8h 52m, that is twelve day hours of 44 min. The night, until the next sunrise at 08:43, lasts 15h 07m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Mercury, from 08:44 to 09:29: 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.