Planetary hours
in Iaşi.
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 Sunday, 21 December 2025: day of the Sun
- Sunrise
- 07:53
- Sunset
- 16:22
- Next sunrise
- 07:53
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Bucharest).
Day
- 1☉︎ Sun07:53 – 08:35
- 2♀︎ Venus08:35 – 09:18
- 3☿︎ Mercury09:18 – 10:00
- 4☽︎ Moon10:00 – 10:42
- 5♄︎ Saturn10:42 – 11:25
- 6♃︎ Jupiter11:25 – 12:07
- 7♂︎ Mars12:07 – 12:50
- 8☉︎ Sun12:50 – 13:32
- 9♀︎ Venus13:32 – 14:15
- 10☿︎ Mercury14:15 – 14:57
- 11☽︎ Moon14:57 – 15:39
- 12♄︎ Saturn15:39 – 16:22
Night
- 1♃︎ Jupiter16:22 – 17:39
- 2♂︎ Mars17:39 – 18:57
- 3☉︎ Sun18:57 – 20:15
- 4♀︎ Venus20:15 – 21:32
- 5☿︎ Mercury21:32 – 22:50
- 6☽︎ Moon22:50 – 00:07
- 7♄︎ Saturn00:07 – 01:25
- 8♃︎ Jupiter01:25 – 02:43
- 9♂︎ Mars02:43 – 04:00
- 10☉︎ Sun04:00 – 05:18
- 11♀︎ Venus05:18 – 06:36
- 12☿︎ Mercury06:36 – 07:53
Other cities · Romania
Questions
How are the planetary hours calculated in Iaşi?
On Sunday, 21 December 2025, the Sun rises at 07:53 and sets at 16:22: the day lasts 8h 29m, that is twelve day hours of 42 min. The night, until the next sunrise at 07:53, lasts 15h 31m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
The Sun, from 07:53 to 08:35: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.