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 Friday, 16 October 2026: day of Venus
- Sunrise
- 07:23
- Sunset
- 18:49
- Next sunrise
- 07:24
A day hour lasts 57 min; a night hour, 1h 03m. Local time (America/Chicago).
Day
- 1♀︎ Venus07:23 – 08:21
- 2☿︎ Mercury08:21 – 09:18
- 3☽︎ Moon09:18 – 10:15
- 4♄︎ Saturn10:15 – 11:12
- 5♃︎ Jupiter11:12 – 12:09
- 6♂︎ Mars12:09 – 13:06
- 7☉︎ Sun13:06 – 14:03
- 8♀︎ Venus14:03 – 15:01
- 9☿︎ Mercury15:01 – 15:58
- 10☽︎ Moon15:58 – 16:55
- 11♄︎ Saturn16:55 – 17:52
- 12♃︎ Jupiter17:52 – 18:49
Night
- 1♂︎ Mars18:49 – 19:52
- 2☉︎ Sun19:52 – 20:55
- 3♀︎ Venus20:55 – 21:58
- 4☿︎ Mercury21:58 – 23:01
- 5☽︎ Moon23:01 – 00:04
- 6♄︎ Saturn00:04 – 01:07
- 7♃︎ Jupiter01:07 – 02:09
- 8♂︎ Mars02:09 – 03:12
- 9☉︎ Sun03:12 – 04:15
- 10♀︎ Venus04:15 – 05:18
- 11☿︎ Mercury05:18 – 06:21
- 12☽︎ Moon06:21 – 07:24
Other cities · United States
Questions
How are the planetary hours calculated in Houston?
On Friday, 16 October 2026, the Sun rises at 07:23 and sets at 18:49: the day lasts 11h 26m, that is twelve day hours of 57 min. The night, until the next sunrise at 07:24, lasts 12h 35m: twelve night hours of 1h 03m.
Which planet rules the first hour that day?
Venus, from 07:23 to 08:21: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.