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, 31 March 2027: day of Mercury
- Sunrise
- 06:35
- Sunset
- 19:14
- Next sunrise
- 06:33
A day hour lasts 1h 03m; a night hour, 57 min. Local time (America/Chicago).
Day
- 1☿︎ Mercury06:35 – 07:38
- 2☽︎ Moon07:38 – 08:41
- 3♄︎ Saturn08:41 – 09:45
- 4♃︎ Jupiter09:45 – 10:48
- 5♂︎ Mars10:48 – 11:51
- 6☉︎ Sun11:51 – 12:55
- 7♀︎ Venus12:55 – 13:58
- 8☿︎ Mercury13:58 – 15:01
- 9☽︎ Moon15:01 – 16:05
- 10♄︎ Saturn16:05 – 17:08
- 11♃︎ Jupiter17:08 – 18:11
- 12♂︎ Mars18:11 – 19:14
Night
- 1☉︎ Sun19:14 – 20:11
- 2♀︎ Venus20:11 – 21:08
- 3☿︎ Mercury21:08 – 22:04
- 4☽︎ Moon22:04 – 23:01
- 5♄︎ Saturn23:01 – 23:57
- 6♃︎ Jupiter23:57 – 00:54
- 7♂︎ Mars00:54 – 01:50
- 8☉︎ Sun01:50 – 02:47
- 9♀︎ Venus02:47 – 03:43
- 10☿︎ Mercury03:43 – 04:40
- 11☽︎ Moon04:40 – 05:37
- 12♄︎ Saturn05:37 – 06:33
Other cities · United States
Questions
How are the planetary hours calculated in Chicago?
On Wednesday, 31 March 2027, the Sun rises at 06:35 and sets at 19:14: the day lasts 12h 40m, that is twelve day hours of 1h 03m. The night, until the next sunrise at 06:33, lasts 11h 19m: twelve night hours of 57 min.
Which planet rules the first hour that day?
Mercury, from 06:35 to 07:38: 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.