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, 17 September 2026: day of Jupiter
- Sunrise
- 07:05
- Sunset
- 19:33
- Next sunrise
- 07:06
A day hour lasts 1h 02m; a night hour, 58 min. Local time (Europe/Bucharest).
Day
- 1♃︎ Jupiter07:05 – 08:08
- 2♂︎ Mars08:08 – 09:10
- 3☉︎ Sun09:10 – 10:12
- 4♀︎ Venus10:12 – 11:15
- 5☿︎ Mercury11:15 – 12:17
- 6☽︎ Moon12:17 – 13:19
- 7♄︎ Saturn13:19 – 14:22
- 8♃︎ Jupiter14:22 – 15:24
- 9♂︎ Mars15:24 – 16:26
- 10☉︎ Sun16:26 – 17:29
- 11♀︎ Venus17:29 – 18:31
- 12☿︎ Mercury18:31 – 19:33
Night
- 1☽︎ Moon19:33 – 20:31
- 2♄︎ Saturn20:31 – 21:29
- 3♃︎ Jupiter21:29 – 22:27
- 4♂︎ Mars22:27 – 23:24
- 5☉︎ Sun23:24 – 00:22
- 6♀︎ Venus00:22 – 01:20
- 7☿︎ Mercury01:20 – 02:18
- 8☽︎ Moon02:18 – 03:15
- 9♄︎ Saturn03:15 – 04:13
- 10♃︎ Jupiter04:13 – 05:11
- 11♂︎ Mars05:11 – 06:09
- 12☉︎ Sun06:09 – 07:06
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Thursday, 17 September 2026, the Sun rises at 07:05 and sets at 19:33: the day lasts 12h 28m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 07:06, lasts 11h 33m: twelve night hours of 58 min.
Which planet rules the first hour that day?
Jupiter, from 07:05 to 08:08: 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.