Planetary hours
in Diez de Octubre.
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 Monday, 21 September 2026: day of the Moon
- Sunrise
- 07:17
- Sunset
- 19:26
- Next sunrise
- 07:18
A day hour lasts 1h 01m; a night hour, 59 min. Local time (America/Havana).
Day
- 1☽︎ Moon07:17 – 08:18
- 2♄︎ Saturn08:18 – 09:19
- 3♃︎ Jupiter09:19 – 10:20
- 4♂︎ Mars10:20 – 11:20
- 5☉︎ Sun11:20 – 12:21
- 6♀︎ Venus12:21 – 13:22
- 7☿︎ Mercury13:22 – 14:22
- 8☽︎ Moon14:22 – 15:23
- 9♄︎ Saturn15:23 – 16:24
- 10♃︎ Jupiter16:24 – 17:25
- 11♂︎ Mars17:25 – 18:25
- 12☉︎ Sun18:25 – 19:26
Night
- 1♀︎ Venus19:26 – 20:25
- 2☿︎ Mercury20:25 – 21:25
- 3☽︎ Moon21:25 – 22:24
- 4♄︎ Saturn22:24 – 23:23
- 5♃︎ Jupiter23:23 – 00:23
- 6♂︎ Mars00:23 – 01:22
- 7☉︎ Sun01:22 – 02:21
- 8♀︎ Venus02:21 – 03:20
- 9☿︎ Mercury03:20 – 04:20
- 10☽︎ Moon04:20 – 05:19
- 11♄︎ Saturn05:19 – 06:18
- 12♃︎ Jupiter06:18 – 07:18
Other cities · Cuba
Questions
How are the planetary hours calculated in Diez de Octubre?
On Monday, 21 September 2026, the Sun rises at 07:17 and sets at 19:26: the day lasts 12h 09m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 07:18, lasts 11h 52m: twelve night hours of 59 min.
Which planet rules the first hour that day?
The Moon, from 07:17 to 08:18: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.