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 Wednesday, 16 September 2026: day of Mercury
- Sunrise
- 07:16
- Sunset
- 19:31
- Next sunrise
- 07:16
A day hour lasts 1h 01m; a night hour, 59 min. Local time (America/Havana).
Day
- 1☿︎ Mercury07:16 – 08:17
- 2☽︎ Moon08:17 – 09:18
- 3♄︎ Saturn09:18 – 10:20
- 4♃︎ Jupiter10:20 – 11:21
- 5♂︎ Mars11:21 – 12:22
- 6☉︎ Sun12:22 – 13:24
- 7♀︎ Venus13:24 – 14:25
- 8☿︎ Mercury14:25 – 15:26
- 9☽︎ Moon15:26 – 16:27
- 10♄︎ Saturn16:27 – 17:29
- 11♃︎ Jupiter17:29 – 18:30
- 12♂︎ Mars18:30 – 19:31
Night
- 1☉︎ Sun19:31 – 20:30
- 2♀︎ Venus20:30 – 21:29
- 3☿︎ Mercury21:29 – 22:27
- 4☽︎ Moon22:27 – 23:26
- 5♄︎ Saturn23:26 – 00:25
- 6♃︎ Jupiter00:25 – 01:24
- 7♂︎ Mars01:24 – 02:22
- 8☉︎ Sun02:22 – 03:21
- 9♀︎ Venus03:21 – 04:20
- 10☿︎ Mercury04:20 – 05:19
- 11☽︎ Moon05:19 – 06:17
- 12♄︎ Saturn06:17 – 07:16
Other cities · Cuba
Questions
How are the planetary hours calculated in Diez de Octubre?
On Wednesday, 16 September 2026, the Sun rises at 07:16 and sets at 19:31: the day lasts 12h 15m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 07:16, lasts 11h 45m: twelve night hours of 59 min.
Which planet rules the first hour that day?
Mercury, from 07:16 to 08:17: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.