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 Tuesday, 10 February 2026: day of Mars
- Sunrise
- 08:19
- Sunset
- 18:22
- Next sunrise
- 08:17
A day hour lasts 50 min; a night hour, 1h 10m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:19 – 09:09
- 2☉︎ Sun09:09 – 09:59
- 3♀︎ Venus09:59 – 10:49
- 4☿︎ Mercury10:49 – 11:40
- 5☽︎ Moon11:40 – 12:30
- 6♄︎ Saturn12:30 – 13:20
- 7♃︎ Jupiter13:20 – 14:10
- 8♂︎ Mars14:10 – 15:01
- 9☉︎ Sun15:01 – 15:51
- 10♀︎ Venus15:51 – 16:41
- 11☿︎ Mercury16:41 – 17:32
- 12☽︎ Moon17:32 – 18:22
Night
- 1♄︎ Saturn18:22 – 19:31
- 2♃︎ Jupiter19:31 – 20:41
- 3♂︎ Mars20:41 – 21:51
- 4☉︎ Sun21:51 – 23:00
- 5♀︎ Venus23:00 – 00:10
- 6☿︎ Mercury00:10 – 01:19
- 7☽︎ Moon01:19 – 02:29
- 8♄︎ Saturn02:29 – 03:39
- 9♃︎ Jupiter03:39 – 04:48
- 10♂︎ Mars04:48 – 05:58
- 11☉︎ Sun05:58 – 07:08
- 12♀︎ Venus07:08 – 08:17
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Tuesday, 10 February 2026, the Sun rises at 08:19 and sets at 18:22: the day lasts 10h 03m, that is twelve day hours of 50 min. The night, until the next sunrise at 08:17, lasts 13h 55m: twelve night hours of 1h 10m.
Which planet rules the first hour that day?
Mars, from 08:19 to 09:09: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.