Planetary hours
in Monterrey.
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 Tuesday, 21 July 2026: day of Mars
- Sunrise
- 06:02
- Sunset
- 19:32
- Next sunrise
- 06:02
A day hour lasts 1h 08m; a night hour, 53 min. Local time (America/Monterrey).
Day
- 1♂︎ Mars06:02 – 07:10
- 2☉︎ Sun07:10 – 08:17
- 3♀︎ Venus08:17 – 09:25
- 4☿︎ Mercury09:25 – 10:32
- 5☽︎ Moon10:32 – 11:40
- 6♄︎ Saturn11:40 – 12:47
- 7♃︎ Jupiter12:47 – 13:55
- 8♂︎ Mars13:55 – 15:02
- 9☉︎ Sun15:02 – 16:10
- 10♀︎ Venus16:10 – 17:17
- 11☿︎ Mercury17:17 – 18:25
- 12☽︎ Moon18:25 – 19:32
Night
- 1♄︎ Saturn19:32 – 20:25
- 2♃︎ Jupiter20:25 – 21:17
- 3♂︎ Mars21:17 – 22:10
- 4☉︎ Sun22:10 – 23:02
- 5♀︎ Venus23:02 – 23:55
- 6☿︎ Mercury23:55 – 00:47
- 7☽︎ Moon00:47 – 01:40
- 8♄︎ Saturn01:40 – 02:32
- 9♃︎ Jupiter02:32 – 03:25
- 10♂︎ Mars03:25 – 04:17
- 11☉︎ Sun04:17 – 05:10
- 12♀︎ Venus05:10 – 06:02
Other cities · Mexico
Questions
How are the planetary hours calculated in Monterrey?
On Tuesday, 21 July 2026, the Sun rises at 06:02 and sets at 19:32: the day lasts 13h 30m, that is twelve day hours of 1h 08m. The night, until the next sunrise at 06:02, lasts 10h 30m: twelve night hours of 53 min.
Which planet rules the first hour that day?
Mars, from 06:02 to 07:10: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.