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, 9 December 2026: day of Mercury
- Sunrise
- 06:28
- Sunset
- 19:03
- Next sunrise
- 06:28
A day hour lasts 1h 03m; a night hour, 57 min. Local time (Africa/Dar_es_Salaam).
Day
- 1☿︎ Mercury06:28 – 07:31
- 2☽︎ Moon07:31 – 08:34
- 3♄︎ Saturn08:34 – 09:37
- 4♃︎ Jupiter09:37 – 10:40
- 5♂︎ Mars10:40 – 11:42
- 6☉︎ Sun11:42 – 12:45
- 7♀︎ Venus12:45 – 13:48
- 8☿︎ Mercury13:48 – 14:51
- 9☽︎ Moon14:51 – 15:54
- 10♄︎ Saturn15:54 – 16:57
- 11♃︎ Jupiter16:57 – 18:00
- 12♂︎ Mars18:00 – 19:03
Night
- 1☉︎ Sun19:03 – 20:00
- 2♀︎ Venus20:00 – 20:57
- 3☿︎ Mercury20:57 – 21:54
- 4☽︎ Moon21:54 – 22:51
- 5♄︎ Saturn22:51 – 23:48
- 6♃︎ Jupiter23:48 – 00:46
- 7♂︎ Mars00:46 – 01:43
- 8☉︎ Sun01:43 – 02:40
- 9♀︎ Venus02:40 – 03:37
- 10☿︎ Mercury03:37 – 04:34
- 11☽︎ Moon04:34 – 05:31
- 12♄︎ Saturn05:31 – 06:28
Other cities · Tanzania
Questions
How are the planetary hours calculated in Sumbawanga?
On Wednesday, 9 December 2026, the Sun rises at 06:28 and sets at 19:03: the day lasts 12h 35m, that is twelve day hours of 1h 03m. The night, until the next sunrise at 06:28, lasts 11h 26m: twelve night hours of 57 min.
Which planet rules the first hour that day?
Mercury, from 06:28 to 07:31: 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.