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 Thursday, 23 July 2026: day of Jupiter
- Sunrise
- 05:54
- Sunset
- 20:37
- Next sunrise
- 05:55
A day hour lasts 1h 14m; a night hour, 47 min. Local time (Europe/Rome).
Day
- 1♃︎ Jupiter05:54 – 07:08
- 2♂︎ Mars07:08 – 08:21
- 3☉︎ Sun08:21 – 09:35
- 4♀︎ Venus09:35 – 10:49
- 5☿︎ Mercury10:49 – 12:02
- 6☽︎ Moon12:02 – 13:16
- 7♄︎ Saturn13:16 – 14:29
- 8♃︎ Jupiter14:29 – 15:43
- 9♂︎ Mars15:43 – 16:56
- 10☉︎ Sun16:56 – 18:10
- 11♀︎ Venus18:10 – 19:23
- 12☿︎ Mercury19:23 – 20:37
Night
- 1☽︎ Moon20:37 – 21:24
- 2♄︎ Saturn21:24 – 22:10
- 3♃︎ Jupiter22:10 – 22:57
- 4♂︎ Mars22:57 – 23:43
- 5☉︎ Sun23:43 – 00:30
- 6♀︎ Venus00:30 – 01:16
- 7☿︎ Mercury01:16 – 02:03
- 8☽︎ Moon02:03 – 02:49
- 9♄︎ Saturn02:49 – 03:36
- 10♃︎ Jupiter03:36 – 04:22
- 11♂︎ Mars04:22 – 05:09
- 12☉︎ Sun05:09 – 05:55
Questions
How are the planetary hours calculated in Rome?
On Thursday, 23 July 2026, the Sun rises at 05:54 and sets at 20:37: the day lasts 14h 43m, that is twelve day hours of 1h 14m. The night, until the next sunrise at 05:55, lasts 9h 18m: twelve night hours of 47 min.
Which planet rules the first hour that day?
Jupiter, from 05:54 to 07:08: 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.