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 Sunday, 4 October 2026: day of the Sun
- Sunrise
- 08:08
- Sunset
- 19:40
- Next sunrise
- 08:10
A day hour lasts 58 min; a night hour, 1h 03m. Local time (Europe/Paris).
Day
- 1☉︎ Sun08:08 – 09:06
- 2♀︎ Venus09:06 – 10:04
- 3☿︎ Mercury10:04 – 11:01
- 4☽︎ Moon11:01 – 11:59
- 5♄︎ Saturn11:59 – 12:56
- 6♃︎ Jupiter12:56 – 13:54
- 7♂︎ Mars13:54 – 14:52
- 8☉︎ Sun14:52 – 15:49
- 9♀︎ Venus15:49 – 16:47
- 10☿︎ Mercury16:47 – 17:44
- 11☽︎ Moon17:44 – 18:42
- 12♄︎ Saturn18:42 – 19:40
Night
- 1♃︎ Jupiter19:40 – 20:42
- 2♂︎ Mars20:42 – 21:45
- 3☉︎ Sun21:45 – 22:47
- 4♀︎ Venus22:47 – 23:50
- 5☿︎ Mercury23:50 – 00:52
- 6☽︎ Moon00:52 – 01:55
- 7♄︎ Saturn01:55 – 02:57
- 8♃︎ Jupiter02:57 – 04:00
- 9♂︎ Mars04:00 – 05:02
- 10☉︎ Sun05:02 – 06:05
- 11♀︎ Venus06:05 – 07:07
- 12☿︎ Mercury07:07 – 08:10
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Sunday, 4 October 2026, the Sun rises at 08:08 and sets at 19:40: the day lasts 11h 31m, that is twelve day hours of 58 min. The night, until the next sunrise at 08:10, lasts 12h 30m: twelve night hours of 1h 03m.
Which planet rules the first hour that day?
The Sun, from 08:08 to 09:06: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.