Planetary hours
in Çankaya.
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 Friday, 12 December 2025: day of Venus
- Sunrise
- 08:00
- Sunset
- 17:23
- Next sunrise
- 08:01
A day hour lasts 47 min; a night hour, 1h 13m. Local time (Europe/Istanbul).
Day
- 1♀︎ Venus08:00 – 08:47
- 2☿︎ Mercury08:47 – 09:34
- 3☽︎ Moon09:34 – 10:21
- 4♄︎ Saturn10:21 – 11:08
- 5♃︎ Jupiter11:08 – 11:55
- 6♂︎ Mars11:55 – 12:42
- 7☉︎ Sun12:42 – 13:29
- 8♀︎ Venus13:29 – 14:16
- 9☿︎ Mercury14:16 – 15:03
- 10☽︎ Moon15:03 – 15:49
- 11♄︎ Saturn15:49 – 16:36
- 12♃︎ Jupiter16:36 – 17:23
Night
- 1♂︎ Mars17:23 – 18:36
- 2☉︎ Sun18:36 – 19:50
- 3♀︎ Venus19:50 – 21:03
- 4☿︎ Mercury21:03 – 22:16
- 5☽︎ Moon22:16 – 23:29
- 6♄︎ Saturn23:29 – 00:42
- 7♃︎ Jupiter00:42 – 01:55
- 8♂︎ Mars01:55 – 03:08
- 9☉︎ Sun03:08 – 04:22
- 10♀︎ Venus04:22 – 05:35
- 11☿︎ Mercury05:35 – 06:48
- 12☽︎ Moon06:48 – 08:01
Other cities · Türkiye
Questions
How are the planetary hours calculated in Çankaya?
On Friday, 12 December 2025, the Sun rises at 08:00 and sets at 17:23: the day lasts 9h 23m, that is twelve day hours of 47 min. The night, until the next sunrise at 08:01, lasts 14h 38m: twelve night hours of 1h 13m.
Which planet rules the first hour that day?
Venus, from 08:00 to 08:47: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.