Planetary hours
in Nantes.
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 Saturday, 23 January 2027: day of Saturn
- Sunrise
- 08:42
- Sunset
- 17:54
- Next sunrise
- 08:41
A day hour lasts 46 min; a night hour, 1h 14m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:42 – 09:28
- 2♃︎ Jupiter09:28 – 10:14
- 3♂︎ Mars10:14 – 11:00
- 4☉︎ Sun11:00 – 11:46
- 5♀︎ Venus11:46 – 12:32
- 6☿︎ Mercury12:32 – 13:18
- 7☽︎ Moon13:18 – 14:04
- 8♄︎ Saturn14:04 – 14:50
- 9♃︎ Jupiter14:50 – 15:36
- 10♂︎ Mars15:36 – 16:22
- 11☉︎ Sun16:22 – 17:08
- 12♀︎ Venus17:08 – 17:54
Night
- 1☿︎ Mercury17:54 – 19:08
- 2☽︎ Moon19:08 – 20:22
- 3♄︎ Saturn20:22 – 21:35
- 4♃︎ Jupiter21:35 – 22:49
- 5♂︎ Mars22:49 – 00:03
- 6☉︎ Sun00:03 – 01:17
- 7♀︎ Venus01:17 – 02:31
- 8☿︎ Mercury02:31 – 03:45
- 9☽︎ Moon03:45 – 04:59
- 10♄︎ Saturn04:59 – 06:13
- 11♃︎ Jupiter06:13 – 07:27
- 12♂︎ Mars07:27 – 08:41
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 23 January 2027, the Sun rises at 08:42 and sets at 17:54: the day lasts 9h 12m, that is twelve day hours of 46 min. The night, until the next sunrise at 08:41, lasts 14h 47m: twelve night hours of 1h 14m.
Which planet rules the first hour that day?
Saturn, from 08:42 to 09:28: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.