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, 8 July 2026: day of Mercury
- Sunrise
- 06:19
- Sunset
- 22:03
- Next sunrise
- 06:19
A day hour lasts 1h 19m; a night hour, 41 min. Local time (Europe/Paris).
Day
- 1☿︎ Mercury06:19 – 07:37
- 2☽︎ Moon07:37 – 08:56
- 3♄︎ Saturn08:56 – 10:15
- 4♃︎ Jupiter10:15 – 11:33
- 5♂︎ Mars11:33 – 12:52
- 6☉︎ Sun12:52 – 14:11
- 7♀︎ Venus14:11 – 15:29
- 8☿︎ Mercury15:29 – 16:48
- 9☽︎ Moon16:48 – 18:07
- 10♄︎ Saturn18:07 – 19:25
- 11♃︎ Jupiter19:25 – 20:44
- 12♂︎ Mars20:44 – 22:03
Night
- 1☉︎ Sun22:03 – 22:44
- 2♀︎ Venus22:44 – 23:25
- 3☿︎ Mercury23:25 – 00:07
- 4☽︎ Moon00:07 – 00:48
- 5♄︎ Saturn00:48 – 01:30
- 6♃︎ Jupiter01:30 – 02:11
- 7♂︎ Mars02:11 – 02:52
- 8☉︎ Sun02:52 – 03:34
- 9♀︎ Venus03:34 – 04:15
- 10☿︎ Mercury04:15 – 04:57
- 11☽︎ Moon04:57 – 05:38
- 12♄︎ Saturn05:38 – 06:19
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Wednesday, 8 July 2026, the Sun rises at 06:19 and sets at 22:03: the day lasts 15h 44m, that is twelve day hours of 1h 19m. The night, until the next sunrise at 06:19, lasts 8h 17m: twelve night hours of 41 min.
Which planet rules the first hour that day?
Mercury, from 06:19 to 07:37: 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.