Planetary hours
in Milan.
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 Saturday, 13 December 2025: day of Saturn
- Sunrise
- 07:54
- Sunset
- 16:40
- Next sunrise
- 07:55
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Rome).
Day
- 1♄︎ Saturn07:54 – 08:38
- 2♃︎ Jupiter08:38 – 09:22
- 3♂︎ Mars09:22 – 10:06
- 4☉︎ Sun10:06 – 10:49
- 5♀︎ Venus10:49 – 11:33
- 6☿︎ Mercury11:33 – 12:17
- 7☽︎ Moon12:17 – 13:01
- 8♄︎ Saturn13:01 – 13:44
- 9♃︎ Jupiter13:44 – 14:28
- 10♂︎ Mars14:28 – 15:12
- 11☉︎ Sun15:12 – 15:56
- 12♀︎ Venus15:56 – 16:40
Night
- 1☿︎ Mercury16:40 – 17:56
- 2☽︎ Moon17:56 – 19:12
- 3♄︎ Saturn19:12 – 20:28
- 4♃︎ Jupiter20:28 – 21:45
- 5♂︎ Mars21:45 – 23:01
- 6☉︎ Sun23:01 – 00:17
- 7♀︎ Venus00:17 – 01:34
- 8☿︎ Mercury01:34 – 02:50
- 9☽︎ Moon02:50 – 04:06
- 10♄︎ Saturn04:06 – 05:23
- 11♃︎ Jupiter05:23 – 06:39
- 12♂︎ Mars06:39 – 07:55
Questions
How are the planetary hours calculated in Milan?
On Saturday, 13 December 2025, the Sun rises at 07:54 and sets at 16:40: the day lasts 8h 45m, that is twelve day hours of 44 min. The night, until the next sunrise at 07:55, lasts 15h 15m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Saturn, from 07:54 to 08:38: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.