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, 8 May 2027: day of Saturn
- Sunrise
- 05:57
- Sunset
- 20:15
- Next sunrise
- 05:56
A day hour lasts 1h 11m; a night hour, 48 min. Local time (Europe/Rome).
Day
- 1♄︎ Saturn05:57 – 07:09
- 2♃︎ Jupiter07:09 – 08:20
- 3♂︎ Mars08:20 – 09:32
- 4☉︎ Sun09:32 – 10:43
- 5♀︎ Venus10:43 – 11:55
- 6☿︎ Mercury11:55 – 13:06
- 7☽︎ Moon13:06 – 14:18
- 8♄︎ Saturn14:18 – 15:29
- 9♃︎ Jupiter15:29 – 16:41
- 10♂︎ Mars16:41 – 17:52
- 11☉︎ Sun17:52 – 19:04
- 12♀︎ Venus19:04 – 20:15
Night
- 1☿︎ Mercury20:15 – 21:04
- 2☽︎ Moon21:04 – 21:52
- 3♄︎ Saturn21:52 – 22:40
- 4♃︎ Jupiter22:40 – 23:29
- 5♂︎ Mars23:29 – 00:17
- 6☉︎ Sun00:17 – 01:06
- 7♀︎ Venus01:06 – 01:54
- 8☿︎ Mercury01:54 – 02:43
- 9☽︎ Moon02:43 – 03:31
- 10♄︎ Saturn03:31 – 04:19
- 11♃︎ Jupiter04:19 – 05:08
- 12♂︎ Mars05:08 – 05:56
Questions
How are the planetary hours calculated in Rome?
On Saturday, 8 May 2027, the Sun rises at 05:57 and sets at 20:15: the day lasts 14h 18m, that is twelve day hours of 1h 11m. The night, until the next sunrise at 05:56, lasts 9h 41m: twelve night hours of 48 min.
Which planet rules the first hour that day?
Saturn, from 05:57 to 07:09: 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.