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, 15 February 2026: day of the Sun
- Sunrise
- 08:11
- Sunset
- 18:30
- Next sunrise
- 08:09
A day hour lasts 52 min; a night hour, 1h 08m. Local time (Europe/Paris).
Day
- 1☉︎ Sun08:11 – 09:02
- 2♀︎ Venus09:02 – 09:54
- 3☿︎ Mercury09:54 – 10:45
- 4☽︎ Moon10:45 – 11:37
- 5♄︎ Saturn11:37 – 12:29
- 6♃︎ Jupiter12:29 – 13:20
- 7♂︎ Mars13:20 – 14:12
- 8☉︎ Sun14:12 – 15:03
- 9♀︎ Venus15:03 – 15:55
- 10☿︎ Mercury15:55 – 16:46
- 11☽︎ Moon16:46 – 17:38
- 12♄︎ Saturn17:38 – 18:30
Night
- 1♃︎ Jupiter18:30 – 19:38
- 2♂︎ Mars19:38 – 20:46
- 3☉︎ Sun20:46 – 21:54
- 4♀︎ Venus21:54 – 23:03
- 5☿︎ Mercury23:03 – 00:11
- 6☽︎ Moon00:11 – 01:19
- 7♄︎ Saturn01:19 – 02:28
- 8♃︎ Jupiter02:28 – 03:36
- 9♂︎ Mars03:36 – 04:44
- 10☉︎ Sun04:44 – 05:53
- 11♀︎ Venus05:53 – 07:01
- 12☿︎ Mercury07:01 – 08:09
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Sunday, 15 February 2026, the Sun rises at 08:11 and sets at 18:30: the day lasts 10h 19m, that is twelve day hours of 52 min. The night, until the next sunrise at 08:09, lasts 13h 40m: twelve night hours of 1h 08m.
Which planet rules the first hour that day?
The Sun, from 08:11 to 09:02: 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.