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 Wednesday, 15 April 2026: day of Mercury
- Sunrise
- 06:29
- Sunset
- 19:50
- Next sunrise
- 06:28
A day hour lasts 1h 07m; a night hour, 53 min. Local time (Europe/Rome).
Day
- 1☿︎ Mercury06:29 – 07:36
- 2☽︎ Moon07:36 – 08:43
- 3♄︎ Saturn08:43 – 09:50
- 4♃︎ Jupiter09:50 – 10:56
- 5♂︎ Mars10:56 – 12:03
- 6☉︎ Sun12:03 – 13:10
- 7♀︎ Venus13:10 – 14:17
- 8☿︎ Mercury14:17 – 15:23
- 9☽︎ Moon15:23 – 16:30
- 10♄︎ Saturn16:30 – 17:37
- 11♃︎ Jupiter17:37 – 18:44
- 12♂︎ Mars18:44 – 19:50
Night
- 1☉︎ Sun19:50 – 20:43
- 2♀︎ Venus20:43 – 21:37
- 3☿︎ Mercury21:37 – 22:30
- 4☽︎ Moon22:30 – 23:23
- 5♄︎ Saturn23:23 – 00:16
- 6♃︎ Jupiter00:16 – 01:09
- 7♂︎ Mars01:09 – 02:02
- 8☉︎ Sun02:02 – 02:55
- 9♀︎ Venus02:55 – 03:48
- 10☿︎ Mercury03:48 – 04:42
- 11☽︎ Moon04:42 – 05:35
- 12♄︎ Saturn05:35 – 06:28
Questions
How are the planetary hours calculated in Rome?
On Wednesday, 15 April 2026, the Sun rises at 06:29 and sets at 19:50: the day lasts 13h 21m, that is twelve day hours of 1h 07m. The night, until the next sunrise at 06:28, lasts 10h 38m: twelve night hours of 53 min.
Which planet rules the first hour that day?
Mercury, from 06:29 to 07:36: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.