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, 30 December 2026: day of Mercury
- Sunrise
- 06:38
- Sunset
- 19:13
- Next sunrise
- 06:38
A day hour lasts 1h 03m; a night hour, 57 min. Local time (Africa/Dar_es_Salaam).
Day
- 1☿︎ Mercury06:38 – 07:41
- 2☽︎ Moon07:41 – 08:44
- 3♄︎ Saturn08:44 – 09:47
- 4♃︎ Jupiter09:47 – 10:50
- 5♂︎ Mars10:50 – 11:53
- 6☉︎ Sun11:53 – 12:55
- 7♀︎ Venus12:55 – 13:58
- 8☿︎ Mercury13:58 – 15:01
- 9☽︎ Moon15:01 – 16:04
- 10♄︎ Saturn16:04 – 17:07
- 11♃︎ Jupiter17:07 – 18:10
- 12♂︎ Mars18:10 – 19:13
Night
- 1☉︎ Sun19:13 – 20:10
- 2♀︎ Venus20:10 – 21:07
- 3☿︎ Mercury21:07 – 22:04
- 4☽︎ Moon22:04 – 23:01
- 5♄︎ Saturn23:01 – 23:59
- 6♃︎ Jupiter23:59 – 00:56
- 7♂︎ Mars00:56 – 01:53
- 8☉︎ Sun01:53 – 02:50
- 9♀︎ Venus02:50 – 03:47
- 10☿︎ Mercury03:47 – 04:44
- 11☽︎ Moon04:44 – 05:41
- 12♄︎ Saturn05:41 – 06:38
Other cities · Tanzania
Questions
How are the planetary hours calculated in Sumbawanga?
On Wednesday, 30 December 2026, the Sun rises at 06:38 and sets at 19:13: the day lasts 12h 35m, that is twelve day hours of 1h 03m. The night, until the next sunrise at 06:38, lasts 11h 25m: twelve night hours of 57 min.
Which planet rules the first hour that day?
Mercury, from 06:38 to 07:41: 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.