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, 4 July 2026: day of Saturn
- Sunrise
- 06:16
- Sunset
- 22:04
- Next sunrise
- 06:16
A day hour lasts 1h 19m; a night hour, 41 min. Local time (Europe/Paris).
Day
- 1♄︎ Saturn06:16 – 07:35
- 2♃︎ Jupiter07:35 – 08:54
- 3♂︎ Mars08:54 – 10:13
- 4☉︎ Sun10:13 – 11:32
- 5♀︎ Venus11:32 – 12:51
- 6☿︎ Mercury12:51 – 14:10
- 7☽︎ Moon14:10 – 15:29
- 8♄︎ Saturn15:29 – 16:48
- 9♃︎ Jupiter16:48 – 18:07
- 10♂︎ Mars18:07 – 19:26
- 11☉︎ Sun19:26 – 20:45
- 12♀︎ Venus20:45 – 22:04
Night
- 1☿︎ Mercury22:04 – 22:45
- 2☽︎ Moon22:45 – 23:26
- 3♄︎ Saturn23:26 – 00:07
- 4♃︎ Jupiter00:07 – 00:48
- 5♂︎ Mars00:48 – 01:29
- 6☉︎ Sun01:29 – 02:10
- 7♀︎ Venus02:10 – 02:51
- 8☿︎ Mercury02:51 – 03:32
- 9☽︎ Moon03:32 – 04:13
- 10♄︎ Saturn04:13 – 04:54
- 11♃︎ Jupiter04:54 – 05:35
- 12♂︎ Mars05:35 – 06:16
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 4 July 2026, the Sun rises at 06:16 and sets at 22:04: the day lasts 15h 49m, that is twelve day hours of 1h 19m. The night, until the next sunrise at 06:16, lasts 8h 12m: twelve night hours of 41 min.
Which planet rules the first hour that day?
Saturn, from 06:16 to 07:35: 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.