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 Sunday, 20 December 2026: day of the Sun
- Sunrise
- 05:58
- Sunset
- 18:45
- Next sunrise
- 05:59
A day hour lasts 1h 04m; a night hour, 56 min. Local time (America/La_Paz).
Day
- 1☉︎ Sun05:58 – 07:02
- 2♀︎ Venus07:02 – 08:06
- 3☿︎ Mercury08:06 – 09:10
- 4☽︎ Moon09:10 – 10:14
- 5♄︎ Saturn10:14 – 11:17
- 6♃︎ Jupiter11:17 – 12:21
- 7♂︎ Mars12:21 – 13:25
- 8☉︎ Sun13:25 – 14:29
- 9♀︎ Venus14:29 – 15:33
- 10☿︎ Mercury15:33 – 16:37
- 11☽︎ Moon16:37 – 17:41
- 12♄︎ Saturn17:41 – 18:45
Night
- 1♃︎ Jupiter18:45 – 19:41
- 2♂︎ Mars19:41 – 20:37
- 3☉︎ Sun20:37 – 21:33
- 4♀︎ Venus21:33 – 22:29
- 5☿︎ Mercury22:29 – 23:25
- 6☽︎ Moon23:25 – 00:22
- 7♄︎ Saturn00:22 – 01:18
- 8♃︎ Jupiter01:18 – 02:14
- 9♂︎ Mars02:14 – 03:10
- 10☉︎ Sun03:10 – 04:06
- 11♀︎ Venus04:06 – 05:02
- 12☿︎ Mercury05:02 – 05:59
Other cities · Bolivia
Questions
How are the planetary hours calculated in Riberalta?
On Sunday, 20 December 2026, the Sun rises at 05:58 and sets at 18:45: the day lasts 12h 46m, that is twelve day hours of 1h 04m. The night, until the next sunrise at 05:59, lasts 11h 14m: twelve night hours of 56 min.
Which planet rules the first hour that day?
The Sun, from 05:58 to 07:02: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.