Planetary hours
in Florence.
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, 23 December 2027: day of Jupiter
- Sunrise
- 07:46
- Sunset
- 16:41
- Next sunrise
- 07:46
A day hour lasts 45 min; a night hour, 1h 15m. Local time (Europe/Rome).
Day
- 1♃︎ Jupiter07:46 – 08:31
- 2♂︎ Mars08:31 – 09:15
- 3☉︎ Sun09:15 – 10:00
- 4♀︎ Venus10:00 – 10:44
- 5☿︎ Mercury10:44 – 11:29
- 6☽︎ Moon11:29 – 12:13
- 7♄︎ Saturn12:13 – 12:58
- 8♃︎ Jupiter12:58 – 13:43
- 9♂︎ Mars13:43 – 14:27
- 10☉︎ Sun14:27 – 15:12
- 11♀︎ Venus15:12 – 15:56
- 12☿︎ Mercury15:56 – 16:41
Night
- 1☽︎ Moon16:41 – 17:56
- 2♄︎ Saturn17:56 – 19:12
- 3♃︎ Jupiter19:12 – 20:27
- 4♂︎ Mars20:27 – 21:43
- 5☉︎ Sun21:43 – 22:58
- 6♀︎ Venus22:58 – 00:14
- 7☿︎ Mercury00:14 – 01:29
- 8☽︎ Moon01:29 – 02:45
- 9♄︎ Saturn02:45 – 04:00
- 10♃︎ Jupiter04:00 – 05:15
- 11♂︎ Mars05:15 – 06:31
- 12☉︎ Sun06:31 – 07:46
Questions
How are the planetary hours calculated in Florence?
On Thursday, 23 December 2027, the Sun rises at 07:46 and sets at 16:41: the day lasts 8h 55m, that is twelve day hours of 45 min. The night, until the next sunrise at 07:46, lasts 15h 06m: twelve night hours of 1h 15m.
Which planet rules the first hour that day?
Jupiter, from 07:46 to 08:31: 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.