Planetary hours
in Cluj-Napoca.
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 Thursday, 11 September 2025: day of Jupiter
- Sunrise
- 06:58
- Sunset
- 19:45
- Next sunrise
- 06:59
A day hour lasts 1h 04m; a night hour, 56 min. Local time (Europe/Bucharest).
Day
- 1♃︎ Jupiter06:58 – 08:02
- 2♂︎ Mars08:02 – 09:06
- 3☉︎ Sun09:06 – 10:09
- 4♀︎ Venus10:09 – 11:13
- 5☿︎ Mercury11:13 – 12:17
- 6☽︎ Moon12:17 – 13:21
- 7♄︎ Saturn13:21 – 14:25
- 8♃︎ Jupiter14:25 – 15:29
- 9♂︎ Mars15:29 – 16:33
- 10☉︎ Sun16:33 – 17:37
- 11♀︎ Venus17:37 – 18:41
- 12☿︎ Mercury18:41 – 19:45
Night
- 1☽︎ Moon19:45 – 20:41
- 2♄︎ Saturn20:41 – 21:37
- 3♃︎ Jupiter21:37 – 22:33
- 4♂︎ Mars22:33 – 23:29
- 5☉︎ Sun23:29 – 00:26
- 6♀︎ Venus00:26 – 01:22
- 7☿︎ Mercury01:22 – 02:18
- 8☽︎ Moon02:18 – 03:14
- 9♄︎ Saturn03:14 – 04:10
- 10♃︎ Jupiter04:10 – 05:07
- 11♂︎ Mars05:07 – 06:03
- 12☉︎ Sun06:03 – 06:59
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Questions
How are the planetary hours calculated in Cluj-Napoca?
On Thursday, 11 September 2025, the Sun rises at 06:58 and sets at 19:45: the day lasts 12h 47m, that is twelve day hours of 1h 04m. The night, until the next sunrise at 06:59, lasts 11h 14m: twelve night hours of 56 min.
Which planet rules the first hour that day?
Jupiter, from 06:58 to 08:02: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.