Planetary hours
in Arusha.
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, 11 July 2026: day of Saturn
- Sunrise
- 06:40
- Sunset
- 18:36
- Next sunrise
- 06:40
A day hour lasts 1h 00m; a night hour, 1h 00m. Local time (Africa/Dar_es_Salaam).
Day
- 1♄︎ Saturn06:40 – 07:40
- 2♃︎ Jupiter07:40 – 08:40
- 3♂︎ Mars08:40 – 09:39
- 4☉︎ Sun09:39 – 10:39
- 5♀︎ Venus10:39 – 11:39
- 6☿︎ Mercury11:39 – 12:38
- 7☽︎ Moon12:38 – 13:38
- 8♄︎ Saturn13:38 – 14:38
- 9♃︎ Jupiter14:38 – 15:37
- 10♂︎ Mars15:37 – 16:37
- 11☉︎ Sun16:37 – 17:37
- 12♀︎ Venus17:37 – 18:36
Night
- 1☿︎ Mercury18:36 – 19:37
- 2☽︎ Moon19:37 – 20:37
- 3♄︎ Saturn20:37 – 21:37
- 4♃︎ Jupiter21:37 – 22:38
- 5♂︎ Mars22:38 – 23:38
- 6☉︎ Sun23:38 – 00:38
- 7♀︎ Venus00:38 – 01:39
- 8☿︎ Mercury01:39 – 02:39
- 9☽︎ Moon02:39 – 03:39
- 10♄︎ Saturn03:39 – 04:40
- 11♃︎ Jupiter04:40 – 05:40
- 12♂︎ Mars05:40 – 06:40
Other cities · Tanzania
Questions
How are the planetary hours calculated in Arusha?
On Saturday, 11 July 2026, the Sun rises at 06:40 and sets at 18:36: the day lasts 11h 56m, that is twelve day hours of 1h 00m. The night, until the next sunrise at 06:40, lasts 12h 04m: twelve night hours of 1h 00m.
Which planet rules the first hour that day?
Saturn, from 06:40 to 07:40: 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.