Planetary hours
in Sétif.
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, 20 December 2025: day of Saturn
- Sunrise
- 07:45
- Sunset
- 17:26
- Next sunrise
- 07:45
A day hour lasts 48 min; a night hour, 1h 12m. Local time (Africa/Algiers).
Day
- 1♄︎ Saturn07:45 – 08:33
- 2♃︎ Jupiter08:33 – 09:22
- 3♂︎ Mars09:22 – 10:10
- 4☉︎ Sun10:10 – 10:59
- 5♀︎ Venus10:59 – 11:47
- 6☿︎ Mercury11:47 – 12:36
- 7☽︎ Moon12:36 – 13:24
- 8♄︎ Saturn13:24 – 14:12
- 9♃︎ Jupiter14:12 – 15:01
- 10♂︎ Mars15:01 – 15:49
- 11☉︎ Sun15:49 – 16:38
- 12♀︎ Venus16:38 – 17:26
Night
- 1☿︎ Mercury17:26 – 18:38
- 2☽︎ Moon18:38 – 19:50
- 3♄︎ Saturn19:50 – 21:01
- 4♃︎ Jupiter21:01 – 22:13
- 5♂︎ Mars22:13 – 23:24
- 6☉︎ Sun23:24 – 00:36
- 7♀︎ Venus00:36 – 01:47
- 8☿︎ Mercury01:47 – 02:59
- 9☽︎ Moon02:59 – 04:10
- 10♄︎ Saturn04:10 – 05:22
- 11♃︎ Jupiter05:22 – 06:34
- 12♂︎ Mars06:34 – 07:45
Other cities · Algeria
Questions
How are the planetary hours calculated in Sétif?
On Saturday, 20 December 2025, the Sun rises at 07:45 and sets at 17:26: the day lasts 9h 42m, that is twelve day hours of 48 min. The night, until the next sunrise at 07:45, lasts 14h 19m: twelve night hours of 1h 12m.
Which planet rules the first hour that day?
Saturn, from 07:45 to 08:33: 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.