Planetary hours
in Riberalta.
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
- 05:57
- Sunset
- 18:20
- Next sunrise
- 05:56
A day hour lasts 1h 02m; a night hour, 58 min. Local time (America/La_Paz).
Day
- 1♂︎ Mars05:57 – 06:59
- 2☉︎ Sun06:59 – 08:01
- 3♀︎ Venus08:01 – 09:03
- 4☿︎ Mercury09:03 – 10:05
- 5☽︎ Moon10:05 – 11:07
- 6♄︎ Saturn11:07 – 12:09
- 7♃︎ Jupiter12:09 – 13:10
- 8♂︎ Mars13:10 – 14:12
- 9☉︎ Sun14:12 – 15:14
- 10♀︎ Venus15:14 – 16:16
- 11☿︎ Mercury16:16 – 17:18
- 12☽︎ Moon17:18 – 18:20
Night
- 1♄︎ Saturn18:20 – 19:18
- 2♃︎ Jupiter19:18 – 20:16
- 3♂︎ Mars20:16 – 21:14
- 4☉︎ Sun21:14 – 22:12
- 5♀︎ Venus22:12 – 23:10
- 6☿︎ Mercury23:10 – 00:08
- 7☽︎ Moon00:08 – 01:06
- 8♄︎ Saturn01:06 – 02:04
- 9♃︎ Jupiter02:04 – 03:02
- 10♂︎ Mars03:02 – 04:00
- 11☉︎ Sun04:00 – 04:58
- 12♀︎ Venus04:58 – 05:56
Other cities · Bolivia
Questions
How are the planetary hours calculated in Riberalta?
On Tuesday, 20 October 2026, the Sun rises at 05:57 and sets at 18:20: the day lasts 12h 23m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 05:56, lasts 11h 36m: twelve night hours of 58 min.
Which planet rules the first hour that day?
Mars, from 05:57 to 06:59: 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.