Planetary hours
in Istanbul.
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, 28 December 2025: day of the Sun
- Sunrise
- 08:28
- Sunset
- 17:43
- Next sunrise
- 08:28
A day hour lasts 46 min; a night hour, 1h 14m. Local time (Europe/Istanbul).
Day
- 1☉︎ Sun08:28 – 09:14
- 2♀︎ Venus09:14 – 10:00
- 3☿︎ Mercury10:00 – 10:47
- 4☽︎ Moon10:47 – 11:33
- 5♄︎ Saturn11:33 – 12:19
- 6♃︎ Jupiter12:19 – 13:05
- 7♂︎ Mars13:05 – 13:52
- 8☉︎ Sun13:52 – 14:38
- 9♀︎ Venus14:38 – 15:24
- 10☿︎ Mercury15:24 – 16:10
- 11☽︎ Moon16:10 – 16:57
- 12♄︎ Saturn16:57 – 17:43
Night
- 1♃︎ Jupiter17:43 – 18:57
- 2♂︎ Mars18:57 – 20:10
- 3☉︎ Sun20:10 – 21:24
- 4♀︎ Venus21:24 – 22:38
- 5☿︎ Mercury22:38 – 23:52
- 6☽︎ Moon23:52 – 01:05
- 7♄︎ Saturn01:05 – 02:19
- 8♃︎ Jupiter02:19 – 03:33
- 9♂︎ Mars03:33 – 04:47
- 10☉︎ Sun04:47 – 06:01
- 11♀︎ Venus06:01 – 07:14
- 12☿︎ Mercury07:14 – 08:28
Other cities · Türkiye
Questions
How are the planetary hours calculated in Istanbul?
On Sunday, 28 December 2025, the Sun rises at 08:28 and sets at 17:43: the day lasts 9h 15m, that is twelve day hours of 46 min. The night, until the next sunrise at 08:28, lasts 14h 45m: twelve night hours of 1h 14m.
Which planet rules the first hour that day?
The Sun, from 08:28 to 09:14: 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.