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, 1 July 2026: day of Mercury
- Sunrise
- 06:14
- Sunset
- 22:05
- Next sunrise
- 06:14
A day hour lasts 1h 19m; a night hour, 41 min. Local time (Europe/Paris).
Day
- 1☿︎ Mercury06:14 – 07:33
- 2☽︎ Moon07:33 – 08:52
- 3♄︎ Saturn08:52 – 10:12
- 4♃︎ Jupiter10:12 – 11:31
- 5♂︎ Mars11:31 – 12:50
- 6☉︎ Sun12:50 – 14:09
- 7♀︎ Venus14:09 – 15:29
- 8☿︎ Mercury15:29 – 16:48
- 9☽︎ Moon16:48 – 18:07
- 10♄︎ Saturn18:07 – 19:27
- 11♃︎ Jupiter19:27 – 20:46
- 12♂︎ Mars20:46 – 22:05
Night
- 1☉︎ Sun22:05 – 22:46
- 2♀︎ Venus22:46 – 23:27
- 3☿︎ Mercury23:27 – 00:08
- 4☽︎ Moon00:08 – 00:48
- 5♄︎ Saturn00:48 – 01:29
- 6♃︎ Jupiter01:29 – 02:10
- 7♂︎ Mars02:10 – 02:51
- 8☉︎ Sun02:51 – 03:31
- 9♀︎ Venus03:31 – 04:12
- 10☿︎ Mercury04:12 – 04:53
- 11☽︎ Moon04:53 – 05:34
- 12♄︎ Saturn05:34 – 06:14
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Wednesday, 1 July 2026, the Sun rises at 06:14 and sets at 22:05: the day lasts 15h 52m, that is twelve day hours of 1h 19m. The night, until the next sunrise at 06:14, lasts 8h 09m: twelve night hours of 41 min.
Which planet rules the first hour that day?
Mercury, from 06:14 to 07:33: 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.