Planetary hours
in Rome.
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, 30 January 2027: day of Saturn
- Sunrise
- 07:24
- Sunset
- 17:22
- Next sunrise
- 07:23
A day hour lasts 50 min; a night hour, 1h 10m. Local time (Europe/Rome).
Day
- 1♄︎ Saturn07:24 – 08:14
- 2♃︎ Jupiter08:14 – 09:04
- 3♂︎ Mars09:04 – 09:54
- 4☉︎ Sun09:54 – 10:43
- 5♀︎ Venus10:43 – 11:33
- 6☿︎ Mercury11:33 – 12:23
- 7☽︎ Moon12:23 – 13:13
- 8♄︎ Saturn13:13 – 14:02
- 9♃︎ Jupiter14:02 – 14:52
- 10♂︎ Mars14:52 – 15:42
- 11☉︎ Sun15:42 – 16:32
- 12♀︎ Venus16:32 – 17:22
Night
- 1☿︎ Mercury17:22 – 18:32
- 2☽︎ Moon18:32 – 19:42
- 3♄︎ Saturn19:42 – 20:52
- 4♃︎ Jupiter20:52 – 22:02
- 5♂︎ Mars22:02 – 23:12
- 6☉︎ Sun23:12 – 00:22
- 7♀︎ Venus00:22 – 01:33
- 8☿︎ Mercury01:33 – 02:43
- 9☽︎ Moon02:43 – 03:53
- 10♄︎ Saturn03:53 – 05:03
- 11♃︎ Jupiter05:03 – 06:13
- 12♂︎ Mars06:13 – 07:23
Questions
How are the planetary hours calculated in Rome?
On Saturday, 30 January 2027, the Sun rises at 07:24 and sets at 17:22: the day lasts 9h 57m, that is twelve day hours of 50 min. The night, until the next sunrise at 07:23, lasts 14h 02m: twelve night hours of 1h 10m.
Which planet rules the first hour that day?
Saturn, from 07:24 to 08:14: 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.