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 Sunday, 4 October 2026: day of the Sun
- Sunrise
- 07:16
- Sunset
- 19:03
- Next sunrise
- 07:17
A day hour lasts 59 min; a night hour, 1h 01m. Local time (America/Chicago).
Day
- 1☉︎ Sun07:16 – 08:15
- 2♀︎ Venus08:15 – 09:14
- 3☿︎ Mercury09:14 – 10:13
- 4☽︎ Moon10:13 – 11:12
- 5♄︎ Saturn11:12 – 12:10
- 6♃︎ Jupiter12:10 – 13:09
- 7♂︎ Mars13:09 – 14:08
- 8☉︎ Sun14:08 – 15:07
- 9♀︎ Venus15:07 – 16:06
- 10☿︎ Mercury16:06 – 17:05
- 11☽︎ Moon17:05 – 18:04
- 12♄︎ Saturn18:04 – 19:03
Night
- 1♃︎ Jupiter19:03 – 20:04
- 2♂︎ Mars20:04 – 21:05
- 3☉︎ Sun21:05 – 22:06
- 4♀︎ Venus22:06 – 23:07
- 5☿︎ Mercury23:07 – 00:08
- 6☽︎ Moon00:08 – 01:10
- 7♄︎ Saturn01:10 – 02:11
- 8♃︎ Jupiter02:11 – 03:12
- 9♂︎ Mars03:12 – 04:13
- 10☉︎ Sun04:13 – 05:14
- 11♀︎ Venus05:14 – 06:15
- 12☿︎ Mercury06:15 – 07:17
Other cities · United States
Questions
How are the planetary hours calculated in Houston?
On Sunday, 4 October 2026, the Sun rises at 07:16 and sets at 19:03: the day lasts 11h 47m, that is twelve day hours of 59 min. The night, until the next sunrise at 07:17, lasts 12h 14m: twelve night hours of 1h 01m.
Which planet rules the first hour that day?
The Sun, from 07:16 to 08:15: 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.