Planetary hours
in Gao.
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 Saturday, 18 July 2026: day of Saturn
- Sunrise
- 05:36
- Sunset
- 18:35
- Next sunrise
- 05:37
A day hour lasts 1h 05m; a night hour, 55 min. Local time (Africa/Bamako).
Day
- 1♄︎ Saturn05:36 – 06:41
- 2♃︎ Jupiter06:41 – 07:46
- 3♂︎ Mars07:46 – 08:51
- 4☉︎ Sun08:51 – 09:56
- 5♀︎ Venus09:56 – 11:01
- 6☿︎ Mercury11:01 – 12:06
- 7☽︎ Moon12:06 – 13:11
- 8♄︎ Saturn13:11 – 14:16
- 9♃︎ Jupiter14:16 – 15:21
- 10♂︎ Mars15:21 – 16:25
- 11☉︎ Sun16:25 – 17:30
- 12♀︎ Venus17:30 – 18:35
Night
- 1☿︎ Mercury18:35 – 19:30
- 2☽︎ Moon19:30 – 20:26
- 3♄︎ Saturn20:26 – 21:21
- 4♃︎ Jupiter21:21 – 22:16
- 5♂︎ Mars22:16 – 23:11
- 6☉︎ Sun23:11 – 00:06
- 7♀︎ Venus00:06 – 01:01
- 8☿︎ Mercury01:01 – 01:56
- 9☽︎ Moon01:56 – 02:51
- 10♄︎ Saturn02:51 – 03:47
- 11♃︎ Jupiter03:47 – 04:42
- 12♂︎ Mars04:42 – 05:37
Questions
How are the planetary hours calculated in Gao?
On Saturday, 18 July 2026, the Sun rises at 05:36 and sets at 18:35: the day lasts 12h 59m, that is twelve day hours of 1h 05m. The night, until the next sunrise at 05:37, lasts 11h 01m: twelve night hours of 55 min.
Which planet rules the first hour that day?
Saturn, from 05:36 to 06:41: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.