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, 30 January 2026: day of Venus
- Sunrise
- 08:34
- Sunset
- 18:05
- Next sunrise
- 08:33
A day hour lasts 48 min; a night hour, 1h 12m. Local time (Europe/Paris).
Day
- 1♀︎ Venus08:34 – 09:21
- 2☿︎ Mercury09:21 – 10:09
- 3☽︎ Moon10:09 – 10:57
- 4♄︎ Saturn10:57 – 11:44
- 5♃︎ Jupiter11:44 – 12:32
- 6♂︎ Mars12:32 – 13:19
- 7☉︎ Sun13:19 – 14:07
- 8♀︎ Venus14:07 – 14:54
- 9☿︎ Mercury14:54 – 15:42
- 10☽︎ Moon15:42 – 16:30
- 11♄︎ Saturn16:30 – 17:17
- 12♃︎ Jupiter17:17 – 18:05
Night
- 1♂︎ Mars18:05 – 19:17
- 2☉︎ Sun19:17 – 20:29
- 3♀︎ Venus20:29 – 21:42
- 4☿︎ Mercury21:42 – 22:54
- 5☽︎ Moon22:54 – 00:06
- 6♄︎ Saturn00:06 – 01:19
- 7♃︎ Jupiter01:19 – 02:31
- 8♂︎ Mars02:31 – 03:43
- 9☉︎ Sun03:43 – 04:56
- 10♀︎ Venus04:56 – 06:08
- 11☿︎ Mercury06:08 – 07:20
- 12☽︎ Moon07:20 – 08:33
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Friday, 30 January 2026, the Sun rises at 08:34 and sets at 18:05: the day lasts 9h 31m, that is twelve day hours of 48 min. The night, until the next sunrise at 08:33, lasts 14h 28m: twelve night hours of 1h 12m.
Which planet rules the first hour that day?
Venus, from 08:34 to 09:21: 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.