Planetary hours
in Houston.
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, 8 October 2026: day of Jupiter
- Sunrise
- 07:18
- Sunset
- 18:58
- Next sunrise
- 07:19
A day hour lasts 58 min; a night hour, 1h 02m. Local time (America/Chicago).
Day
- 1♃︎ Jupiter07:18 – 08:17
- 2♂︎ Mars08:17 – 09:15
- 3☉︎ Sun09:15 – 10:13
- 4♀︎ Venus10:13 – 11:12
- 5☿︎ Mercury11:12 – 12:10
- 6☽︎ Moon12:10 – 13:08
- 7♄︎ Saturn13:08 – 14:06
- 8♃︎ Jupiter14:06 – 15:05
- 9♂︎ Mars15:05 – 16:03
- 10☉︎ Sun16:03 – 17:01
- 11♀︎ Venus17:01 – 18:00
- 12☿︎ Mercury18:00 – 18:58
Night
- 1☽︎ Moon18:58 – 20:00
- 2♄︎ Saturn20:00 – 21:01
- 3♃︎ Jupiter21:01 – 22:03
- 4♂︎ Mars22:03 – 23:05
- 5☉︎ Sun23:05 – 00:07
- 6♀︎ Venus00:07 – 01:08
- 7☿︎ Mercury01:08 – 02:10
- 8☽︎ Moon02:10 – 03:12
- 9♄︎ Saturn03:12 – 04:14
- 10♃︎ Jupiter04:14 – 05:15
- 11♂︎ Mars05:15 – 06:17
- 12☉︎ Sun06:17 – 07:19
Other cities · United States
Questions
How are the planetary hours calculated in Houston?
On Thursday, 8 October 2026, the Sun rises at 07:18 and sets at 18:58: the day lasts 11h 40m, that is twelve day hours of 58 min. The night, until the next sunrise at 07:19, lasts 12h 21m: twelve night hours of 1h 02m.
Which planet rules the first hour that day?
Jupiter, from 07:18 to 08:17: 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.