Planetary hours
in Iztapalapa.
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 Saturday, 19 December 2026: day of Saturn
- Sunrise
- 07:04
- Sunset
- 18:02
- Next sunrise
- 07:04
A day hour lasts 55 min; a night hour, 1h 05m. Local time (America/Mexico_City).
Day
- 1♄︎ Saturn07:04 – 07:59
- 2♃︎ Jupiter07:59 – 08:54
- 3♂︎ Mars08:54 – 09:48
- 4☉︎ Sun09:48 – 10:43
- 5♀︎ Venus10:43 – 11:38
- 6☿︎ Mercury11:38 – 12:33
- 7☽︎ Moon12:33 – 13:28
- 8♄︎ Saturn13:28 – 14:23
- 9♃︎ Jupiter14:23 – 15:17
- 10♂︎ Mars15:17 – 16:12
- 11☉︎ Sun16:12 – 17:07
- 12♀︎ Venus17:07 – 18:02
Night
- 1☿︎ Mercury18:02 – 19:07
- 2☽︎ Moon19:07 – 20:12
- 3♄︎ Saturn20:12 – 21:18
- 4♃︎ Jupiter21:18 – 22:23
- 5♂︎ Mars22:23 – 23:28
- 6☉︎ Sun23:28 – 00:33
- 7♀︎ Venus00:33 – 01:38
- 8☿︎ Mercury01:38 – 02:44
- 9☽︎ Moon02:44 – 03:49
- 10♄︎ Saturn03:49 – 04:54
- 11♃︎ Jupiter04:54 – 05:59
- 12♂︎ Mars05:59 – 07:04
Other cities · Mexico
Questions
How are the planetary hours calculated in Iztapalapa?
On Saturday, 19 December 2026, the Sun rises at 07:04 and sets at 18:02: the day lasts 10h 58m, that is twelve day hours of 55 min. The night, until the next sunrise at 07:04, lasts 13h 03m: twelve night hours of 1h 05m.
Which planet rules the first hour that day?
Saturn, from 07:04 to 07:59: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.