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, 27 January 2027: day of Mercury
- Sunrise
- 08:38
- Sunset
- 18:00
- Next sunrise
- 08:36
A day hour lasts 47 min; a night hour, 1h 13m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:38 – 09:24
- 2☽︎ Moon09:24 – 10:11
- 3♄︎ Saturn10:11 – 10:58
- 4♃︎ Jupiter10:58 – 11:45
- 5♂︎ Mars11:45 – 12:32
- 6☉︎ Sun12:32 – 13:19
- 7♀︎ Venus13:19 – 14:05
- 8☿︎ Mercury14:05 – 14:52
- 9☽︎ Moon14:52 – 15:39
- 10♄︎ Saturn15:39 – 16:26
- 11♃︎ Jupiter16:26 – 17:13
- 12♂︎ Mars17:13 – 18:00
Night
- 1☉︎ Sun18:00 – 19:13
- 2♀︎ Venus19:13 – 20:26
- 3☿︎ Mercury20:26 – 21:39
- 4☽︎ Moon21:39 – 22:52
- 5♄︎ Saturn22:52 – 00:05
- 6♃︎ Jupiter00:05 – 01:18
- 7♂︎ Mars01:18 – 02:31
- 8☉︎ Sun02:31 – 03:44
- 9♀︎ Venus03:44 – 04:57
- 10☿︎ Mercury04:57 – 06:10
- 11☽︎ Moon06:10 – 07:23
- 12♄︎ Saturn07:23 – 08:36
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Wednesday, 27 January 2027, the Sun rises at 08:38 and sets at 18:00: the day lasts 9h 22m, that is twelve day hours of 47 min. The night, until the next sunrise at 08:36, lasts 14h 37m: twelve night hours of 1h 13m.
Which planet rules the first hour that day?
Mercury, from 08:38 to 09:24: 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.