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 Sunday, 18 October 2026: day of the Sun
- Sunrise
- 06:31
- Sunset
- 18:10
- Next sunrise
- 06:31
A day hour lasts 58 min; a night hour, 1h 02m. Local time (America/Mexico_City).
Day
- 1☉︎ Sun06:31 – 07:29
- 2♀︎ Venus07:29 – 08:28
- 3☿︎ Mercury08:28 – 09:26
- 4☽︎ Moon09:26 – 10:24
- 5♄︎ Saturn10:24 – 11:22
- 6♃︎ Jupiter11:22 – 12:21
- 7♂︎ Mars12:21 – 13:19
- 8☉︎ Sun13:19 – 14:17
- 9♀︎ Venus14:17 – 15:16
- 10☿︎ Mercury15:16 – 16:14
- 11☽︎ Moon16:14 – 17:12
- 12♄︎ Saturn17:12 – 18:10
Night
- 1♃︎ Jupiter18:10 – 19:12
- 2♂︎ Mars19:12 – 20:14
- 3☉︎ Sun20:14 – 21:16
- 4♀︎ Venus21:16 – 22:17
- 5☿︎ Mercury22:17 – 23:19
- 6☽︎ Moon23:19 – 00:21
- 7♄︎ Saturn00:21 – 01:23
- 8♃︎ Jupiter01:23 – 02:24
- 9♂︎ Mars02:24 – 03:26
- 10☉︎ Sun03:26 – 04:28
- 11♀︎ Venus04:28 – 05:30
- 12☿︎ Mercury05:30 – 06:31
Other cities · Mexico
Questions
How are the planetary hours calculated in Iztapalapa?
On Sunday, 18 October 2026, the Sun rises at 06:31 and sets at 18:10: the day lasts 11h 39m, that is twelve day hours of 58 min. The night, until the next sunrise at 06:31, lasts 12h 21m: twelve night hours of 1h 02m.
Which planet rules the first hour that day?
The Sun, from 06:31 to 07:29: 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.