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 Wednesday, 16 December 2026: day of Mercury
- Sunrise
- 06:31
- Sunset
- 19:06
- Next sunrise
- 06:31
A day hour lasts 1h 03m; a night hour, 57 min. Local time (Africa/Dar_es_Salaam).
Day
- 1☿︎ Mercury06:31 – 07:34
- 2☽︎ Moon07:34 – 08:37
- 3♄︎ Saturn08:37 – 09:40
- 4♃︎ Jupiter09:40 – 10:43
- 5♂︎ Mars10:43 – 11:46
- 6☉︎ Sun11:46 – 12:49
- 7♀︎ Venus12:49 – 13:52
- 8☿︎ Mercury13:52 – 14:54
- 9☽︎ Moon14:54 – 15:57
- 10♄︎ Saturn15:57 – 17:00
- 11♃︎ Jupiter17:00 – 18:03
- 12♂︎ Mars18:03 – 19:06
Night
- 1☉︎ Sun19:06 – 20:03
- 2♀︎ Venus20:03 – 21:00
- 3☿︎ Mercury21:00 – 21:58
- 4☽︎ Moon21:58 – 22:55
- 5♄︎ Saturn22:55 – 23:52
- 6♃︎ Jupiter23:52 – 00:49
- 7♂︎ Mars00:49 – 01:46
- 8☉︎ Sun01:46 – 02:43
- 9♀︎ Venus02:43 – 03:40
- 10☿︎ Mercury03:40 – 04:37
- 11☽︎ Moon04:37 – 05:34
- 12♄︎ Saturn05:34 – 06:31
Other cities · Tanzania
Questions
How are the planetary hours calculated in Sumbawanga?
On Wednesday, 16 December 2026, the Sun rises at 06:31 and sets at 19:06: the day lasts 12h 35m, that is twelve day hours of 1h 03m. The night, until the next sunrise at 06:31, lasts 11h 25m: twelve night hours of 57 min.
Which planet rules the first hour that day?
Mercury, from 06:31 to 07:34: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.