Planetary hours
in Iaşi.
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, 13 September 2025: day of Saturn
- Sunrise
- 06:44
- Sunset
- 19:25
- Next sunrise
- 06:45
A day hour lasts 1h 03m; a night hour, 57 min. Local time (Europe/Bucharest).
Day
- 1♄︎ Saturn06:44 – 07:47
- 2♃︎ Jupiter07:47 – 08:51
- 3♂︎ Mars08:51 – 09:54
- 4☉︎ Sun09:54 – 10:58
- 5♀︎ Venus10:58 – 12:01
- 6☿︎ Mercury12:01 – 13:05
- 7☽︎ Moon13:05 – 14:08
- 8♄︎ Saturn14:08 – 15:11
- 9♃︎ Jupiter15:11 – 16:15
- 10♂︎ Mars16:15 – 17:18
- 11☉︎ Sun17:18 – 18:22
- 12♀︎ Venus18:22 – 19:25
Night
- 1☿︎ Mercury19:25 – 20:22
- 2☽︎ Moon20:22 – 21:18
- 3♄︎ Saturn21:18 – 22:15
- 4♃︎ Jupiter22:15 – 23:12
- 5♂︎ Mars23:12 – 00:08
- 6☉︎ Sun00:08 – 01:05
- 7♀︎ Venus01:05 – 02:02
- 8☿︎ Mercury02:02 – 02:59
- 9☽︎ Moon02:59 – 03:55
- 10♄︎ Saturn03:55 – 04:52
- 11♃︎ Jupiter04:52 – 05:49
- 12♂︎ Mars05:49 – 06:45
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Questions
How are the planetary hours calculated in Iaşi?
On Saturday, 13 September 2025, the Sun rises at 06:44 and sets at 19:25: the day lasts 12h 41m, that is twelve day hours of 1h 03m. The night, until the next sunrise at 06:45, lasts 11h 20m: twelve night hours of 57 min.
Which planet rules the first hour that day?
Saturn, from 06:44 to 07:47: 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.