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, 26 December 2026: day of Saturn
- Sunrise
- 08:51
- Sunset
- 17:21
- Next sunrise
- 08:52
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:51 – 09:34
- 2♃︎ Jupiter09:34 – 10:16
- 3♂︎ Mars10:16 – 10:59
- 4☉︎ Sun10:59 – 11:41
- 5♀︎ Venus11:41 – 12:24
- 6☿︎ Mercury12:24 – 13:06
- 7☽︎ Moon13:06 – 13:49
- 8♄︎ Saturn13:49 – 14:31
- 9♃︎ Jupiter14:31 – 15:14
- 10♂︎ Mars15:14 – 15:56
- 11☉︎ Sun15:56 – 16:39
- 12♀︎ Venus16:39 – 17:21
Night
- 1☿︎ Mercury17:21 – 18:39
- 2☽︎ Moon18:39 – 19:56
- 3♄︎ Saturn19:56 – 21:14
- 4♃︎ Jupiter21:14 – 22:31
- 5♂︎ Mars22:31 – 23:49
- 6☉︎ Sun23:49 – 01:06
- 7♀︎ Venus01:06 – 02:24
- 8☿︎ Mercury02:24 – 03:42
- 9☽︎ Moon03:42 – 04:59
- 10♄︎ Saturn04:59 – 06:17
- 11♃︎ Jupiter06:17 – 07:34
- 12♂︎ Mars07:34 – 08:52
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 26 December 2026, the Sun rises at 08:51 and sets at 17:21: the day lasts 8h 30m, that is twelve day hours of 42 min. The night, until the next sunrise at 08:52, lasts 15h 31m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Saturn, from 08:51 to 09:34: 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.