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, 20 August 2025: day of Mercury
- Sunrise
- 06:29
- Sunset
- 20:27
- Next sunrise
- 06:31
A day hour lasts 1h 10m; a night hour, 50 min. Local time (Europe/Bucharest).
Day
- 1☿︎ Mercury06:29 – 07:39
- 2☽︎ Moon07:39 – 08:49
- 3♄︎ Saturn08:49 – 09:59
- 4♃︎ Jupiter09:59 – 11:08
- 5♂︎ Mars11:08 – 12:18
- 6☉︎ Sun12:18 – 13:28
- 7♀︎ Venus13:28 – 14:38
- 8☿︎ Mercury14:38 – 15:48
- 9☽︎ Moon15:48 – 16:57
- 10♄︎ Saturn16:57 – 18:07
- 11♃︎ Jupiter18:07 – 19:17
- 12♂︎ Mars19:17 – 20:27
Night
- 1☉︎ Sun20:27 – 21:17
- 2♀︎ Venus21:17 – 22:07
- 3☿︎ Mercury22:07 – 22:58
- 4☽︎ Moon22:58 – 23:48
- 5♄︎ Saturn23:48 – 00:38
- 6♃︎ Jupiter00:38 – 01:29
- 7♂︎ Mars01:29 – 02:19
- 8☉︎ Sun02:19 – 03:09
- 9♀︎ Venus03:09 – 04:00
- 10☿︎ Mercury04:00 – 04:50
- 11☽︎ Moon04:50 – 05:40
- 12♄︎ Saturn05:40 – 06:31
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Wednesday, 20 August 2025, the Sun rises at 06:29 and sets at 20:27: the day lasts 13h 57m, that is twelve day hours of 1h 10m. The night, until the next sunrise at 06:31, lasts 10h 04m: twelve night hours of 50 min.
Which planet rules the first hour that day?
Mercury, from 06:29 to 07:39: 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.