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, 20 February 2026: day of Venus
- Sunrise
- 08:02
- Sunset
- 18:37
- Next sunrise
- 08:01
A day hour lasts 53 min; a night hour, 1h 07m. Local time (Europe/Paris).
Day
- 1♀︎ Venus08:02 – 08:55
- 2☿︎ Mercury08:55 – 09:48
- 3☽︎ Moon09:48 – 10:41
- 4♄︎ Saturn10:41 – 11:34
- 5♃︎ Jupiter11:34 – 12:27
- 6♂︎ Mars12:27 – 13:20
- 7☉︎ Sun13:20 – 14:13
- 8♀︎ Venus14:13 – 15:06
- 9☿︎ Mercury15:06 – 15:58
- 10☽︎ Moon15:58 – 16:51
- 11♄︎ Saturn16:51 – 17:44
- 12♃︎ Jupiter17:44 – 18:37
Night
- 1♂︎ Mars18:37 – 19:44
- 2☉︎ Sun19:44 – 20:51
- 3♀︎ Venus20:51 – 21:58
- 4☿︎ Mercury21:58 – 23:05
- 5☽︎ Moon23:05 – 00:12
- 6♄︎ Saturn00:12 – 01:19
- 7♃︎ Jupiter01:19 – 02:26
- 8♂︎ Mars02:26 – 03:33
- 9☉︎ Sun03:33 – 04:40
- 10♀︎ Venus04:40 – 05:47
- 11☿︎ Mercury05:47 – 06:54
- 12☽︎ Moon06:54 – 08:01
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Friday, 20 February 2026, the Sun rises at 08:02 and sets at 18:37: the day lasts 10h 35m, that is twelve day hours of 53 min. The night, until the next sunrise at 08:01, lasts 13h 23m: twelve night hours of 1h 07m.
Which planet rules the first hour that day?
Venus, from 08:02 to 08:55: 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.