Planetary hours
in Chicago.
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, 3 September 2026: day of Jupiter
- Sunrise
- 06:18
- Sunset
- 19:20
- Next sunrise
- 06:19
A day hour lasts 1h 05m; a night hour, 55 min. Local time (America/Chicago).
Day
- 1♃︎ Jupiter06:18 – 07:23
- 2♂︎ Mars07:23 – 08:28
- 3☉︎ Sun08:28 – 09:34
- 4♀︎ Venus09:34 – 10:39
- 5☿︎ Mercury10:39 – 11:44
- 6☽︎ Moon11:44 – 12:49
- 7♄︎ Saturn12:49 – 13:54
- 8♃︎ Jupiter13:54 – 14:59
- 9♂︎ Mars14:59 – 16:04
- 10☉︎ Sun16:04 – 17:10
- 11♀︎ Venus17:10 – 18:15
- 12☿︎ Mercury18:15 – 19:20
Night
- 1☽︎ Moon19:20 – 20:15
- 2♄︎ Saturn20:15 – 21:10
- 3♃︎ Jupiter21:10 – 22:05
- 4♂︎ Mars22:05 – 23:00
- 5☉︎ Sun23:00 – 23:55
- 6♀︎ Venus23:55 – 00:50
- 7☿︎ Mercury00:50 – 01:44
- 8☽︎ Moon01:44 – 02:39
- 9♄︎ Saturn02:39 – 03:34
- 10♃︎ Jupiter03:34 – 04:29
- 11♂︎ Mars04:29 – 05:24
- 12☉︎ Sun05:24 – 06:19
Other cities · United States
Questions
How are the planetary hours calculated in Chicago?
On Thursday, 3 September 2026, the Sun rises at 06:18 and sets at 19:20: the day lasts 13h 02m, that is twelve day hours of 1h 05m. The night, until the next sunrise at 06:19, lasts 10h 59m: twelve night hours of 55 min.
Which planet rules the first hour that day?
Jupiter, from 06:18 to 07:23: 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.