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 Wednesday, 10 September 2025: day of Mercury
- Sunrise
- 06:56
- Sunset
- 19:47
- Next sunrise
- 06:58
A day hour lasts 1h 04m; a night hour, 56 min. Local time (Europe/Bucharest).
Day
- 1☿︎ Mercury06:56 – 08:01
- 2☽︎ Moon08:01 – 09:05
- 3♄︎ Saturn09:05 – 10:09
- 4♃︎ Jupiter10:09 – 11:13
- 5♂︎ Mars11:13 – 12:17
- 6☉︎ Sun12:17 – 13:22
- 7♀︎ Venus13:22 – 14:26
- 8☿︎ Mercury14:26 – 15:30
- 9☽︎ Moon15:30 – 16:34
- 10♄︎ Saturn16:34 – 17:38
- 11♃︎ Jupiter17:38 – 18:43
- 12♂︎ Mars18:43 – 19:47
Night
- 1☉︎ Sun19:47 – 20:43
- 2♀︎ Venus20:43 – 21:39
- 3☿︎ Mercury21:39 – 22:34
- 4☽︎ Moon22:34 – 23:30
- 5♄︎ Saturn23:30 – 00:26
- 6♃︎ Jupiter00:26 – 01:22
- 7♂︎ Mars01:22 – 02:18
- 8☉︎ Sun02:18 – 03:14
- 9♀︎ Venus03:14 – 04:10
- 10☿︎ Mercury04:10 – 05:06
- 11☽︎ Moon05:06 – 06:02
- 12♄︎ Saturn06:02 – 06:58
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Wednesday, 10 September 2025, the Sun rises at 06:56 and sets at 19:47: the day lasts 12h 50m, that is twelve day hours of 1h 04m. The night, until the next sunrise at 06:58, lasts 11h 11m: twelve night hours of 56 min.
Which planet rules the first hour that day?
Mercury, from 06:56 to 08:01: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.