Planetary hours
in Kati.
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, 20 December 2026: day of the Sun
- Sunrise
- 06:48
- Sunset
- 18:11
- Next sunrise
- 06:48
A day hour lasts 57 min; a night hour, 1h 03m. Local time (Africa/Bamako).
Day
- 1☉︎ Sun06:48 – 07:45
- 2♀︎ Venus07:45 – 08:42
- 3☿︎ Mercury08:42 – 09:39
- 4☽︎ Moon09:39 – 10:36
- 5♄︎ Saturn10:36 – 11:32
- 6♃︎ Jupiter11:32 – 12:29
- 7♂︎ Mars12:29 – 13:26
- 8☉︎ Sun13:26 – 14:23
- 9♀︎ Venus14:23 – 15:20
- 10☿︎ Mercury15:20 – 16:17
- 11☽︎ Moon16:17 – 17:14
- 12♄︎ Saturn17:14 – 18:11
Night
- 1♃︎ Jupiter18:11 – 19:14
- 2♂︎ Mars19:14 – 20:17
- 3☉︎ Sun20:17 – 21:20
- 4♀︎ Venus21:20 – 22:23
- 5☿︎ Mercury22:23 – 23:26
- 6☽︎ Moon23:26 – 00:30
- 7♄︎ Saturn00:30 – 01:33
- 8♃︎ Jupiter01:33 – 02:36
- 9♂︎ Mars02:36 – 03:39
- 10☉︎ Sun03:39 – 04:42
- 11♀︎ Venus04:42 – 05:45
- 12☿︎ Mercury05:45 – 06:48
Questions
How are the planetary hours calculated in Kati?
On Sunday, 20 December 2026, the Sun rises at 06:48 and sets at 18:11: the day lasts 11h 23m, that is twelve day hours of 57 min. The night, until the next sunrise at 06:48, lasts 12h 38m: twelve night hours of 1h 03m.
Which planet rules the first hour that day?
The Sun, from 06:48 to 07:45: 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.