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, 17 August 2026: day of the Moon
- Sunrise
- 07:06
- Sunset
- 20:00
- Next sunrise
- 07:06
A day hour lasts 1h 04m; a night hour, 56 min. Local time (America/Havana).
Day
- 1☽︎ Moon07:06 – 08:11
- 2♄︎ Saturn08:11 – 09:15
- 3♃︎ Jupiter09:15 – 10:19
- 4♂︎ Mars10:19 – 11:24
- 5☉︎ Sun11:24 – 12:28
- 6♀︎ Venus12:28 – 13:33
- 7☿︎ Mercury13:33 – 14:37
- 8☽︎ Moon14:37 – 15:42
- 9♄︎ Saturn15:42 – 16:46
- 10♃︎ Jupiter16:46 – 17:51
- 11♂︎ Mars17:51 – 18:55
- 12☉︎ Sun18:55 – 20:00
Night
- 1♀︎ Venus20:00 – 20:55
- 2☿︎ Mercury20:55 – 21:51
- 3☽︎ Moon21:51 – 22:46
- 4♄︎ Saturn22:46 – 23:42
- 5♃︎ Jupiter23:42 – 00:37
- 6♂︎ Mars00:37 – 01:33
- 7☉︎ Sun01:33 – 02:29
- 8♀︎ Venus02:29 – 03:24
- 9☿︎ Mercury03:24 – 04:20
- 10☽︎ Moon04:20 – 05:15
- 11♄︎ Saturn05:15 – 06:11
- 12♃︎ Jupiter06:11 – 07:06
Other cities · Cuba
Questions
How are the planetary hours calculated in Diez de Octubre?
On Monday, 17 August 2026, the Sun rises at 07:06 and sets at 20:00: the day lasts 12h 53m, that is twelve day hours of 1h 04m. The night, until the next sunrise at 07:06, lasts 11h 07m: twelve night hours of 56 min.
Which planet rules the first hour that day?
The Moon, from 07:06 to 08:11: 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.