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 Wednesday, 30 September 2026: day of Mercury
- Sunrise
- 07:14
- Sunset
- 19:07
- Next sunrise
- 07:14
A day hour lasts 59 min; a night hour, 1h 01m. Local time (America/Chicago).
Day
- 1☿︎ Mercury07:14 – 08:13
- 2☽︎ Moon08:13 – 09:13
- 3♄︎ Saturn09:13 – 10:12
- 4♃︎ Jupiter10:12 – 11:12
- 5♂︎ Mars11:12 – 12:11
- 6☉︎ Sun12:11 – 13:11
- 7♀︎ Venus13:11 – 14:10
- 8☿︎ Mercury14:10 – 15:10
- 9☽︎ Moon15:10 – 16:09
- 10♄︎ Saturn16:09 – 17:09
- 11♃︎ Jupiter17:09 – 18:08
- 12♂︎ Mars18:08 – 19:07
Night
- 1☉︎ Sun19:07 – 20:08
- 2♀︎ Venus20:08 – 21:09
- 3☿︎ Mercury21:09 – 22:09
- 4☽︎ Moon22:09 – 23:10
- 5♄︎ Saturn23:10 – 00:10
- 6♃︎ Jupiter00:10 – 01:11
- 7♂︎ Mars01:11 – 02:11
- 8☉︎ Sun02:11 – 03:12
- 9♀︎ Venus03:12 – 04:13
- 10☿︎ Mercury04:13 – 05:13
- 11☽︎ Moon05:13 – 06:14
- 12♄︎ Saturn06:14 – 07:14
Other cities · United States
Questions
How are the planetary hours calculated in Houston?
On Wednesday, 30 September 2026, the Sun rises at 07:14 and sets at 19:07: the day lasts 11h 54m, that is twelve day hours of 59 min. The night, until the next sunrise at 07:14, lasts 12h 07m: twelve night hours of 1h 01m.
Which planet rules the first hour that day?
Mercury, from 07:14 to 08:13: 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.