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 Thursday, 17 December 2026: day of Jupiter
- Sunrise
- 05:57
- Sunset
- 18:43
- Next sunrise
- 05:57
A day hour lasts 1h 04m; a night hour, 56 min. Local time (America/La_Paz).
Day
- 1♃︎ Jupiter05:57 – 07:01
- 2♂︎ Mars07:01 – 08:04
- 3☉︎ Sun08:04 – 09:08
- 4♀︎ Venus09:08 – 10:12
- 5☿︎ Mercury10:12 – 11:16
- 6☽︎ Moon11:16 – 12:20
- 7♄︎ Saturn12:20 – 13:24
- 8♃︎ Jupiter13:24 – 14:28
- 9♂︎ Mars14:28 – 15:31
- 10☉︎ Sun15:31 – 16:35
- 11♀︎ Venus16:35 – 17:39
- 12☿︎ Mercury17:39 – 18:43
Night
- 1☽︎ Moon18:43 – 19:39
- 2♄︎ Saturn19:39 – 20:35
- 3♃︎ Jupiter20:35 – 21:32
- 4♂︎ Mars21:32 – 22:28
- 5☉︎ Sun22:28 – 23:24
- 6♀︎ Venus23:24 – 00:20
- 7☿︎ Mercury00:20 – 01:16
- 8☽︎ Moon01:16 – 02:12
- 9♄︎ Saturn02:12 – 03:09
- 10♃︎ Jupiter03:09 – 04:05
- 11♂︎ Mars04:05 – 05:01
- 12☉︎ Sun05:01 – 05:57
Other cities · Bolivia
Questions
How are the planetary hours calculated in Riberalta?
On Thursday, 17 December 2026, the Sun rises at 05:57 and sets at 18:43: the day lasts 12h 46m, that is twelve day hours of 1h 04m. The night, until the next sunrise at 05:57, lasts 11h 14m: twelve night hours of 56 min.
Which planet rules the first hour that day?
Jupiter, from 05:57 to 07:01: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.