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 Friday, 16 October 2026: day of Venus
- Sunrise
- 08:25
- Sunset
- 19:16
- Next sunrise
- 08:27
A day hour lasts 54 min; a night hour, 1h 06m. Local time (Europe/Paris).
Day
- 1♀︎ Venus08:25 – 09:20
- 2☿︎ Mercury09:20 – 10:14
- 3☽︎ Moon10:14 – 11:08
- 4♄︎ Saturn11:08 – 12:02
- 5♃︎ Jupiter12:02 – 12:57
- 6♂︎ Mars12:57 – 13:51
- 7☉︎ Sun13:51 – 14:45
- 8♀︎ Venus14:45 – 15:39
- 9☿︎ Mercury15:39 – 16:34
- 10☽︎ Moon16:34 – 17:28
- 11♄︎ Saturn17:28 – 18:22
- 12♃︎ Jupiter18:22 – 19:16
Night
- 1♂︎ Mars19:16 – 20:22
- 2☉︎ Sun20:22 – 21:28
- 3♀︎ Venus21:28 – 22:34
- 4☿︎ Mercury22:34 – 23:40
- 5☽︎ Moon23:40 – 00:46
- 6♄︎ Saturn00:46 – 01:52
- 7♃︎ Jupiter01:52 – 02:57
- 8♂︎ Mars02:57 – 04:03
- 9☉︎ Sun04:03 – 05:09
- 10♀︎ Venus05:09 – 06:15
- 11☿︎ Mercury06:15 – 07:21
- 12☽︎ Moon07:21 – 08:27
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Friday, 16 October 2026, the Sun rises at 08:25 and sets at 19:16: the day lasts 10h 51m, that is twelve day hours of 54 min. The night, until the next sunrise at 08:27, lasts 13h 10m: twelve night hours of 1h 06m.
Which planet rules the first hour that day?
Venus, from 08:25 to 09:20: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.