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 Wednesday, 6 January 2027: day of Mercury
- Sunrise
- 07:18
- Sunset
- 16:34
- Next sunrise
- 07:18
A day hour lasts 46 min; a night hour, 1h 14m. Local time (America/Chicago).
Day
- 1☿︎ Mercury07:18 – 08:04
- 2☽︎ Moon08:04 – 08:50
- 3♄︎ Saturn08:50 – 09:37
- 4♃︎ Jupiter09:37 – 10:23
- 5♂︎ Mars10:23 – 11:10
- 6☉︎ Sun11:10 – 11:56
- 7♀︎ Venus11:56 – 12:42
- 8☿︎ Mercury12:42 – 13:29
- 9☽︎ Moon13:29 – 14:15
- 10♄︎ Saturn14:15 – 15:02
- 11♃︎ Jupiter15:02 – 15:48
- 12♂︎ Mars15:48 – 16:34
Night
- 1☉︎ Sun16:34 – 17:48
- 2♀︎ Venus17:48 – 19:02
- 3☿︎ Mercury19:02 – 20:15
- 4☽︎ Moon20:15 – 21:29
- 5♄︎ Saturn21:29 – 22:42
- 6♃︎ Jupiter22:42 – 23:56
- 7♂︎ Mars23:56 – 01:10
- 8☉︎ Sun01:10 – 02:23
- 9♀︎ Venus02:23 – 03:37
- 10☿︎ Mercury03:37 – 04:50
- 11☽︎ Moon04:50 – 06:04
- 12♄︎ Saturn06:04 – 07:18
Other cities · United States
Questions
How are the planetary hours calculated in Chicago?
On Wednesday, 6 January 2027, the Sun rises at 07:18 and sets at 16:34: the day lasts 9h 17m, that is twelve day hours of 46 min. The night, until the next sunrise at 07:18, lasts 14h 43m: twelve night hours of 1h 14m.
Which planet rules the first hour that day?
Mercury, from 07:18 to 08:04: 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.