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 Wednesday, 7 October 2026: day of Mercury
- Sunrise
- 08:13
- Sunset
- 19:34
- Next sunrise
- 08:14
A day hour lasts 57 min; a night hour, 1h 03m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:13 – 09:09
- 2☽︎ Moon09:09 – 10:06
- 3♄︎ Saturn10:06 – 11:03
- 4♃︎ Jupiter11:03 – 12:00
- 5♂︎ Mars12:00 – 12:56
- 6☉︎ Sun12:56 – 13:53
- 7♀︎ Venus13:53 – 14:50
- 8☿︎ Mercury14:50 – 15:47
- 9☽︎ Moon15:47 – 16:43
- 10♄︎ Saturn16:43 – 17:40
- 11♃︎ Jupiter17:40 – 18:37
- 12♂︎ Mars18:37 – 19:34
Night
- 1☉︎ Sun19:34 – 20:37
- 2♀︎ Venus20:37 – 21:40
- 3☿︎ Mercury21:40 – 22:44
- 4☽︎ Moon22:44 – 23:47
- 5♄︎ Saturn23:47 – 00:50
- 6♃︎ Jupiter00:50 – 01:54
- 7♂︎ Mars01:54 – 02:57
- 8☉︎ Sun02:57 – 04:01
- 9♀︎ Venus04:01 – 05:04
- 10☿︎ Mercury05:04 – 06:07
- 11☽︎ Moon06:07 – 07:11
- 12♄︎ Saturn07:11 – 08:14
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Wednesday, 7 October 2026, the Sun rises at 08:13 and sets at 19:34: the day lasts 11h 21m, that is twelve day hours of 57 min. The night, until the next sunrise at 08:14, lasts 12h 40m: twelve night hours of 1h 03m.
Which planet rules the first hour that day?
Mercury, from 08:13 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 Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.