Planetary hours
in Sumbawanga.
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 Saturday, 17 October 2026: day of Saturn
- Sunrise
- 06:30
- Sunset
- 18:47
- Next sunrise
- 06:29
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Africa/Dar_es_Salaam).
Day
- 1♄︎ Saturn06:30 – 07:31
- 2♃︎ Jupiter07:31 – 08:33
- 3♂︎ Mars08:33 – 09:34
- 4☉︎ Sun09:34 – 10:36
- 5♀︎ Venus10:36 – 11:37
- 6☿︎ Mercury11:37 – 12:38
- 7☽︎ Moon12:38 – 13:40
- 8♄︎ Saturn13:40 – 14:41
- 9♃︎ Jupiter14:41 – 15:43
- 10♂︎ Mars15:43 – 16:44
- 11☉︎ Sun16:44 – 17:46
- 12♀︎ Venus17:46 – 18:47
Night
- 1☿︎ Mercury18:47 – 19:46
- 2☽︎ Moon19:46 – 20:44
- 3♄︎ Saturn20:44 – 21:43
- 4♃︎ Jupiter21:43 – 22:41
- 5♂︎ Mars22:41 – 23:40
- 6☉︎ Sun23:40 – 00:38
- 7♀︎ Venus00:38 – 01:37
- 8☿︎ Mercury01:37 – 02:35
- 9☽︎ Moon02:35 – 03:34
- 10♄︎ Saturn03:34 – 04:32
- 11♃︎ Jupiter04:32 – 05:31
- 12♂︎ Mars05:31 – 06:29
Other cities · Tanzania
Questions
How are the planetary hours calculated in Sumbawanga?
On Saturday, 17 October 2026, the Sun rises at 06:30 and sets at 18:47: the day lasts 12h 17m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 06:29, lasts 11h 42m: twelve night hours of 59 min.
Which planet rules the first hour that day?
Saturn, from 06:30 to 07:31: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.