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 Friday, 18 September 2026: day of Venus
- Sunrise
- 07:06
- Sunset
- 19:31
- Next sunrise
- 07:08
A day hour lasts 1h 02m; a night hour, 58 min. Local time (Europe/Bucharest).
Day
- 1♀︎ Venus07:06 – 08:09
- 2☿︎ Mercury08:09 – 09:11
- 3☽︎ Moon09:11 – 10:13
- 4♄︎ Saturn10:13 – 11:15
- 5♃︎ Jupiter11:15 – 12:17
- 6♂︎ Mars12:17 – 13:19
- 7☉︎ Sun13:19 – 14:21
- 8♀︎ Venus14:21 – 15:23
- 9☿︎ Mercury15:23 – 16:25
- 10☽︎ Moon16:25 – 17:27
- 11♄︎ Saturn17:27 – 18:29
- 12♃︎ Jupiter18:29 – 19:31
Night
- 1♂︎ Mars19:31 – 20:29
- 2☉︎ Sun20:29 – 21:27
- 3♀︎ Venus21:27 – 22:25
- 4☿︎ Mercury22:25 – 23:23
- 5☽︎ Moon23:23 – 00:21
- 6♄︎ Saturn00:21 – 01:19
- 7♃︎ Jupiter01:19 – 02:18
- 8♂︎ Mars02:18 – 03:16
- 9☉︎ Sun03:16 – 04:14
- 10♀︎ Venus04:14 – 05:12
- 11☿︎ Mercury05:12 – 06:10
- 12☽︎ Moon06:10 – 07:08
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Friday, 18 September 2026, the Sun rises at 07:06 and sets at 19:31: the day lasts 12h 25m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 07:08, lasts 11h 37m: twelve night hours of 58 min.
Which planet rules the first hour that day?
Venus, from 07:06 to 08:09: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.