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, 23 July 2026: day of Jupiter
- Sunrise
- 06:35
- Sunset
- 20:19
- Next sunrise
- 06:36
A day hour lasts 1h 09m; a night hour, 51 min. Local time (America/Chicago).
Day
- 1♃︎ Jupiter06:35 – 07:44
- 2♂︎ Mars07:44 – 08:53
- 3☉︎ Sun08:53 – 10:01
- 4♀︎ Venus10:01 – 11:10
- 5☿︎ Mercury11:10 – 12:19
- 6☽︎ Moon12:19 – 13:27
- 7♄︎ Saturn13:27 – 14:36
- 8♃︎ Jupiter14:36 – 15:45
- 9♂︎ Mars15:45 – 16:53
- 10☉︎ Sun16:53 – 18:02
- 11♀︎ Venus18:02 – 19:11
- 12☿︎ Mercury19:11 – 20:19
Night
- 1☽︎ Moon20:19 – 21:11
- 2♄︎ Saturn21:11 – 22:02
- 3♃︎ Jupiter22:02 – 22:54
- 4♂︎ Mars22:54 – 23:45
- 5☉︎ Sun23:45 – 00:36
- 6♀︎ Venus00:36 – 01:28
- 7☿︎ Mercury01:28 – 02:19
- 8☽︎ Moon02:19 – 03:10
- 9♄︎ Saturn03:10 – 04:02
- 10♃︎ Jupiter04:02 – 04:53
- 11♂︎ Mars04:53 – 05:44
- 12☉︎ Sun05:44 – 06:36
Other cities · United States
Questions
How are the planetary hours calculated in Houston?
On Thursday, 23 July 2026, the Sun rises at 06:35 and sets at 20:19: the day lasts 13h 44m, that is twelve day hours of 1h 09m. The night, until the next sunrise at 06:36, lasts 10h 16m: twelve night hours of 51 min.
Which planet rules the first hour that day?
Jupiter, from 06:35 to 07:44: 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.