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 Sunday, 16 August 2026: day of the Sun
- Sunrise
- 05:59
- Sunset
- 19:49
- Next sunrise
- 06:00
A day hour lasts 1h 09m; a night hour, 51 min. Local time (America/Chicago).
Day
- 1☉︎ Sun05:59 – 07:09
- 2♀︎ Venus07:09 – 08:18
- 3☿︎ Mercury08:18 – 09:27
- 4☽︎ Moon09:27 – 10:36
- 5♄︎ Saturn10:36 – 11:45
- 6♃︎ Jupiter11:45 – 12:54
- 7♂︎ Mars12:54 – 14:03
- 8☉︎ Sun14:03 – 15:12
- 9♀︎ Venus15:12 – 16:21
- 10☿︎ Mercury16:21 – 17:30
- 11☽︎ Moon17:30 – 18:39
- 12♄︎ Saturn18:39 – 19:49
Night
- 1♃︎ Jupiter19:49 – 20:40
- 2♂︎ Mars20:40 – 21:31
- 3☉︎ Sun21:31 – 22:22
- 4♀︎ Venus22:22 – 23:13
- 5☿︎ Mercury23:13 – 00:04
- 6☽︎ Moon00:04 – 00:54
- 7♄︎ Saturn00:54 – 01:45
- 8♃︎ Jupiter01:45 – 02:36
- 9♂︎ Mars02:36 – 03:27
- 10☉︎ Sun03:27 – 04:18
- 11♀︎ Venus04:18 – 05:09
- 12☿︎ Mercury05:09 – 06:00
Other cities · United States
Questions
How are the planetary hours calculated in Chicago?
On Sunday, 16 August 2026, the Sun rises at 05:59 and sets at 19:49: the day lasts 13h 49m, that is twelve day hours of 1h 09m. The night, until the next sunrise at 06:00, lasts 10h 12m: twelve night hours of 51 min.
Which planet rules the first hour that day?
The Sun, from 05:59 to 07:09: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.