Planetary hours
in Potosí.
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, 15 December 2026: day of Mars
- Sunrise
- 05:38
- Sunset
- 18:57
- Next sunrise
- 05:39
A day hour lasts 1h 07m; a night hour, 53 min. Local time (America/La_Paz).
Day
- 1♂︎ Mars05:38 – 06:45
- 2☉︎ Sun06:45 – 07:52
- 3♀︎ Venus07:52 – 08:58
- 4☿︎ Mercury08:58 – 10:05
- 5☽︎ Moon10:05 – 11:11
- 6♄︎ Saturn11:11 – 12:18
- 7♃︎ Jupiter12:18 – 13:24
- 8♂︎ Mars13:24 – 14:31
- 9☉︎ Sun14:31 – 15:37
- 10♀︎ Venus15:37 – 16:44
- 11☿︎ Mercury16:44 – 17:50
- 12☽︎ Moon17:50 – 18:57
Night
- 1♄︎ Saturn18:57 – 19:50
- 2♃︎ Jupiter19:50 – 20:44
- 3♂︎ Mars20:44 – 21:37
- 4☉︎ Sun21:37 – 22:31
- 5♀︎ Venus22:31 – 23:24
- 6☿︎ Mercury23:24 – 00:18
- 7☽︎ Moon00:18 – 01:11
- 8♄︎ Saturn01:11 – 02:05
- 9♃︎ Jupiter02:05 – 02:58
- 10♂︎ Mars02:58 – 03:52
- 11☉︎ Sun03:52 – 04:45
- 12♀︎ Venus04:45 – 05:39
Other cities · Bolivia
Questions
How are the planetary hours calculated in Potosí?
On Tuesday, 15 December 2026, the Sun rises at 05:38 and sets at 18:57: the day lasts 13h 19m, that is twelve day hours of 1h 07m. The night, until the next sunrise at 05:39, lasts 10h 42m: twelve night hours of 53 min.
Which planet rules the first hour that day?
Mars, from 05:38 to 06:45: 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.