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, 27 October 2026: day of Mars
- Sunrise
- 07:41
- Sunset
- 17:57
- Next sunrise
- 07:43
A day hour lasts 51 min; a night hour, 1h 09m. Local time (Europe/Paris).
Day
- 1♂︎ Mars07:41 – 08:33
- 2☉︎ Sun08:33 – 09:24
- 3♀︎ Venus09:24 – 10:15
- 4☿︎ Mercury10:15 – 11:07
- 5☽︎ Moon11:07 – 11:58
- 6♄︎ Saturn11:58 – 12:49
- 7♃︎ Jupiter12:49 – 13:41
- 8♂︎ Mars13:41 – 14:32
- 9☉︎ Sun14:32 – 15:23
- 10♀︎ Venus15:23 – 16:15
- 11☿︎ Mercury16:15 – 17:06
- 12☽︎ Moon17:06 – 17:57
Night
- 1♄︎ Saturn17:57 – 19:06
- 2♃︎ Jupiter19:06 – 20:15
- 3♂︎ Mars20:15 – 21:24
- 4☉︎ Sun21:24 – 22:32
- 5♀︎ Venus22:32 – 23:41
- 6☿︎ Mercury23:41 – 00:50
- 7☽︎ Moon00:50 – 01:59
- 8♄︎ Saturn01:59 – 03:08
- 9♃︎ Jupiter03:08 – 04:16
- 10♂︎ Mars04:16 – 05:25
- 11☉︎ Sun05:25 – 06:34
- 12♀︎ Venus06:34 – 07:43
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Tuesday, 27 October 2026, the Sun rises at 07:41 and sets at 17:57: the day lasts 10h 16m, that is twelve day hours of 51 min. The night, until the next sunrise at 07:43, lasts 13h 46m: twelve night hours of 1h 09m.
Which planet rules the first hour that day?
Mars, from 07:41 to 08:33: 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.