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 Tuesday, 18 August 2026: day of Mars
- Sunrise
- 06:26
- Sunset
- 20:31
- Next sunrise
- 06:28
A day hour lasts 1h 10m; a night hour, 50 min. Local time (Europe/Bucharest).
Day
- 1♂︎ Mars06:26 – 07:37
- 2☉︎ Sun07:37 – 08:47
- 3♀︎ Venus08:47 – 09:58
- 4☿︎ Mercury09:58 – 11:08
- 5☽︎ Moon11:08 – 12:18
- 6♄︎ Saturn12:18 – 13:29
- 7♃︎ Jupiter13:29 – 14:39
- 8♂︎ Mars14:39 – 15:49
- 9☉︎ Sun15:49 – 17:00
- 10♀︎ Venus17:00 – 18:10
- 11☿︎ Mercury18:10 – 19:20
- 12☽︎ Moon19:20 – 20:31
Night
- 1♄︎ Saturn20:31 – 21:20
- 2♃︎ Jupiter21:20 – 22:10
- 3♂︎ Mars22:10 – 23:00
- 4☉︎ Sun23:00 – 23:50
- 5♀︎ Venus23:50 – 00:39
- 6☿︎ Mercury00:39 – 01:29
- 7☽︎ Moon01:29 – 02:19
- 8♄︎ Saturn02:19 – 03:09
- 9♃︎ Jupiter03:09 – 03:58
- 10♂︎ Mars03:58 – 04:48
- 11☉︎ Sun04:48 – 05:38
- 12♀︎ Venus05:38 – 06:28
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Tuesday, 18 August 2026, the Sun rises at 06:26 and sets at 20:31: the day lasts 14h 04m, that is twelve day hours of 1h 10m. The night, until the next sunrise at 06:28, lasts 9h 57m: twelve night hours of 50 min.
Which planet rules the first hour that day?
Mars, from 06:26 to 07:37: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.