Planetary hours
in Tangerang.
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 Tuesday, 18 August 2026: day of Mars
- Sunrise
- 05:59
- Sunset
- 17:55
- Next sunrise
- 05:59
A day hour lasts 1h 00m; a night hour, 1h 00m. Local time (Asia/Jakarta).
Day
- 1♂︎ Mars05:59 – 06:59
- 2☉︎ Sun06:59 – 07:59
- 3♀︎ Venus07:59 – 08:58
- 4☿︎ Mercury08:58 – 09:58
- 5☽︎ Moon09:58 – 10:57
- 6♄︎ Saturn10:57 – 11:57
- 7♃︎ Jupiter11:57 – 12:57
- 8♂︎ Mars12:57 – 13:56
- 9☉︎ Sun13:56 – 14:56
- 10♀︎ Venus14:56 – 15:55
- 11☿︎ Mercury15:55 – 16:55
- 12☽︎ Moon16:55 – 17:55
Night
- 1♄︎ Saturn17:55 – 18:55
- 2♃︎ Jupiter18:55 – 19:55
- 3♂︎ Mars19:55 – 20:56
- 4☉︎ Sun20:56 – 21:56
- 5♀︎ Venus21:56 – 22:56
- 6☿︎ Mercury22:56 – 23:57
- 7☽︎ Moon23:57 – 00:57
- 8♄︎ Saturn00:57 – 01:57
- 9♃︎ Jupiter01:57 – 02:58
- 10♂︎ Mars02:58 – 03:58
- 11☉︎ Sun03:58 – 04:59
- 12♀︎ Venus04:59 – 05:59
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Questions
How are the planetary hours calculated in Tangerang?
On Tuesday, 18 August 2026, the Sun rises at 05:59 and sets at 17:55: the day lasts 11h 55m, that is twelve day hours of 1h 00m. The night, until the next sunrise at 05:59, lasts 12h 04m: twelve night hours of 1h 00m.
Which planet rules the first hour that day?
Mars, from 05:59 to 06:59: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.