Planetary hours
in Florence.
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 Tuesday, 22 September 2026: day of Mars
- Sunrise
- 07:01
- Sunset
- 19:12
- Next sunrise
- 07:03
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Europe/Rome).
Day
- 1♂︎ Mars07:01 – 08:02
- 2☉︎ Sun08:02 – 09:03
- 3♀︎ Venus09:03 – 10:04
- 4☿︎ Mercury10:04 – 11:05
- 5☽︎ Moon11:05 – 12:06
- 6♄︎ Saturn12:06 – 13:07
- 7♃︎ Jupiter13:07 – 14:08
- 8♂︎ Mars14:08 – 15:09
- 9☉︎ Sun15:09 – 16:10
- 10♀︎ Venus16:10 – 17:10
- 11☿︎ Mercury17:10 – 18:11
- 12☽︎ Moon18:11 – 19:12
Night
- 1♄︎ Saturn19:12 – 20:11
- 2♃︎ Jupiter20:11 – 21:11
- 3♂︎ Mars21:11 – 22:10
- 4☉︎ Sun22:10 – 23:09
- 5♀︎ Venus23:09 – 00:08
- 6☿︎ Mercury00:08 – 01:07
- 7☽︎ Moon01:07 – 02:07
- 8♄︎ Saturn02:07 – 03:06
- 9♃︎ Jupiter03:06 – 04:05
- 10♂︎ Mars04:05 – 05:04
- 11☉︎ Sun05:04 – 06:03
- 12♀︎ Venus06:03 – 07:03
Questions
How are the planetary hours calculated in Florence?
On Tuesday, 22 September 2026, the Sun rises at 07:01 and sets at 19:12: the day lasts 12h 11m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 07:03, lasts 11h 50m: twelve night hours of 59 min.
Which planet rules the first hour that day?
Mars, from 07:01 to 08:02: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.