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, 5 August 2026: day of Mercury
- Sunrise
- 06:49
- Sunset
- 21:33
- Next sunrise
- 06:51
A day hour lasts 1h 14m; a night hour, 46 min. Local time (Europe/Paris).
Day
- 1☿︎ Mercury06:49 – 08:03
- 2☽︎ Moon08:03 – 09:17
- 3♄︎ Saturn09:17 – 10:30
- 4♃︎ Jupiter10:30 – 11:44
- 5♂︎ Mars11:44 – 12:58
- 6☉︎ Sun12:58 – 14:11
- 7♀︎ Venus14:11 – 15:25
- 8☿︎ Mercury15:25 – 16:39
- 9☽︎ Moon16:39 – 17:52
- 10♄︎ Saturn17:52 – 19:06
- 11♃︎ Jupiter19:06 – 20:20
- 12♂︎ Mars20:20 – 21:33
Night
- 1☉︎ Sun21:33 – 22:20
- 2♀︎ Venus22:20 – 23:06
- 3☿︎ Mercury23:06 – 23:53
- 4☽︎ Moon23:53 – 00:39
- 5♄︎ Saturn00:39 – 01:25
- 6♃︎ Jupiter01:25 – 02:12
- 7♂︎ Mars02:12 – 02:58
- 8☉︎ Sun02:58 – 03:45
- 9♀︎ Venus03:45 – 04:31
- 10☿︎ Mercury04:31 – 05:18
- 11☽︎ Moon05:18 – 06:04
- 12♄︎ Saturn06:04 – 06:51
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Wednesday, 5 August 2026, the Sun rises at 06:49 and sets at 21:33: the day lasts 14h 44m, that is twelve day hours of 1h 14m. The night, until the next sunrise at 06:51, lasts 9h 17m: twelve night hours of 46 min.
Which planet rules the first hour that day?
Mercury, from 06:49 to 08:03: 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.