Planetary hours
in Batna.
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 Sunday, 21 December 2025: day of the Sun
- Sunrise
- 07:40
- Sunset
- 17:26
- Next sunrise
- 07:41
A day hour lasts 49 min; a night hour, 1h 11m. Local time (Africa/Algiers).
Day
- 1☉︎ Sun07:40 – 08:29
- 2♀︎ Venus08:29 – 09:18
- 3☿︎ Mercury09:18 – 10:07
- 4☽︎ Moon10:07 – 10:55
- 5♄︎ Saturn10:55 – 11:44
- 6♃︎ Jupiter11:44 – 12:33
- 7♂︎ Mars12:33 – 13:22
- 8☉︎ Sun13:22 – 14:11
- 9♀︎ Venus14:11 – 14:59
- 10☿︎ Mercury14:59 – 15:48
- 11☽︎ Moon15:48 – 16:37
- 12♄︎ Saturn16:37 – 17:26
Night
- 1♃︎ Jupiter17:26 – 18:37
- 2♂︎ Mars18:37 – 19:48
- 3☉︎ Sun19:48 – 20:59
- 4♀︎ Venus20:59 – 22:11
- 5☿︎ Mercury22:11 – 23:22
- 6☽︎ Moon23:22 – 00:33
- 7♄︎ Saturn00:33 – 01:45
- 8♃︎ Jupiter01:45 – 02:56
- 9♂︎ Mars02:56 – 04:07
- 10☉︎ Sun04:07 – 05:18
- 11♀︎ Venus05:18 – 06:30
- 12☿︎ Mercury06:30 – 07:41
Other cities · Algeria
Questions
How are the planetary hours calculated in Batna?
On Sunday, 21 December 2025, the Sun rises at 07:40 and sets at 17:26: the day lasts 9h 45m, that is twelve day hours of 49 min. The night, until the next sunrise at 07:41, lasts 14h 15m: twelve night hours of 1h 11m.
Which planet rules the first hour that day?
The Sun, from 07:40 to 08:29: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.