Planetary hours
in Boulogne-Billancourt.
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, 16 October 2026: day of Venus
- Sunrise
- 08:12
- Sunset
- 18:59
- Next sunrise
- 08:14
A day hour lasts 54 min; a night hour, 1h 06m. Local time (Europe/Paris).
Day
- 1♀︎ Venus08:12 – 09:06
- 2☿︎ Mercury09:06 – 10:00
- 3☽︎ Moon10:00 – 10:54
- 4♄︎ Saturn10:54 – 11:48
- 5♃︎ Jupiter11:48 – 12:42
- 6♂︎ Mars12:42 – 13:36
- 7☉︎ Sun13:36 – 14:30
- 8♀︎ Venus14:30 – 15:24
- 9☿︎ Mercury15:24 – 16:17
- 10☽︎ Moon16:17 – 17:11
- 11♄︎ Saturn17:11 – 18:05
- 12♃︎ Jupiter18:05 – 18:59
Night
- 1♂︎ Mars18:59 – 20:05
- 2☉︎ Sun20:05 – 21:12
- 3♀︎ Venus21:12 – 22:18
- 4☿︎ Mercury22:18 – 23:24
- 5☽︎ Moon23:24 – 00:30
- 6♄︎ Saturn00:30 – 01:36
- 7♃︎ Jupiter01:36 – 02:43
- 8♂︎ Mars02:43 – 03:49
- 9☉︎ Sun03:49 – 04:55
- 10♀︎ Venus04:55 – 06:01
- 11☿︎ Mercury06:01 – 07:08
- 12☽︎ Moon07:08 – 08:14
Other cities · France
Questions
How are the planetary hours calculated in Boulogne-Billancourt?
On Friday, 16 October 2026, the Sun rises at 08:12 and sets at 18:59: the day lasts 10h 47m, that is twelve day hours of 54 min. The night, until the next sunrise at 08:14, lasts 13h 15m: twelve night hours of 1h 06m.
Which planet rules the first hour that day?
Venus, from 08:12 to 09:06: 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.