Planetary hours
in Saint-Louis.
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 Tuesday, 20 October 2026: day of Mars
- Sunrise
- 06:59
- Sunset
- 18:41
- Next sunrise
- 06:59
A day hour lasts 59 min; a night hour, 1h 01m. Local time (Africa/Dakar).
Day
- 1♂︎ Mars06:59 – 07:57
- 2☉︎ Sun07:57 – 08:56
- 3♀︎ Venus08:56 – 09:54
- 4☿︎ Mercury09:54 – 10:53
- 5☽︎ Moon10:53 – 11:52
- 6♄︎ Saturn11:52 – 12:50
- 7♃︎ Jupiter12:50 – 13:49
- 8♂︎ Mars13:49 – 14:47
- 9☉︎ Sun14:47 – 15:46
- 10♀︎ Venus15:46 – 16:44
- 11☿︎ Mercury16:44 – 17:43
- 12☽︎ Moon17:43 – 18:41
Night
- 1♄︎ Saturn18:41 – 19:43
- 2♃︎ Jupiter19:43 – 20:44
- 3♂︎ Mars20:44 – 21:46
- 4☉︎ Sun21:46 – 22:47
- 5♀︎ Venus22:47 – 23:49
- 6☿︎ Mercury23:49 – 00:50
- 7☽︎ Moon00:50 – 01:52
- 8♄︎ Saturn01:52 – 02:53
- 9♃︎ Jupiter02:53 – 03:55
- 10♂︎ Mars03:55 – 04:56
- 11☉︎ Sun04:56 – 05:58
- 12♀︎ Venus05:58 – 06:59
Other cities · Senegal
Questions
How are the planetary hours calculated in Saint-Louis?
On Tuesday, 20 October 2026, the Sun rises at 06:59 and sets at 18:41: the day lasts 11h 43m, that is twelve day hours of 59 min. The night, until the next sunrise at 06:59, lasts 12h 18m: twelve night hours of 1h 01m.
Which planet rules the first hour that day?
Mars, from 06:59 to 07:57: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.