Planetary hours
in Jepara.
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, 10 October 2026: day of Saturn
- Sunrise
- 05:18
- Sunset
- 17:30
- Next sunrise
- 05:17
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Asia/Jakarta).
Day
- 1♄︎ Saturn05:18 – 06:19
- 2♃︎ Jupiter06:19 – 07:20
- 3♂︎ Mars07:20 – 08:21
- 4☉︎ Sun08:21 – 09:22
- 5♀︎ Venus09:22 – 10:23
- 6☿︎ Mercury10:23 – 11:24
- 7☽︎ Moon11:24 – 12:25
- 8♄︎ Saturn12:25 – 13:26
- 9♃︎ Jupiter13:26 – 14:27
- 10♂︎ Mars14:27 – 15:28
- 11☉︎ Sun15:28 – 16:29
- 12♀︎ Venus16:29 – 17:30
Night
- 1☿︎ Mercury17:30 – 18:29
- 2☽︎ Moon18:29 – 19:28
- 3♄︎ Saturn19:28 – 20:27
- 4♃︎ Jupiter20:27 – 21:26
- 5♂︎ Mars21:26 – 22:25
- 6☉︎ Sun22:25 – 23:24
- 7♀︎ Venus23:24 – 00:23
- 8☿︎ Mercury00:23 – 01:22
- 9☽︎ Moon01:22 – 02:20
- 10♄︎ Saturn02:20 – 03:19
- 11♃︎ Jupiter03:19 – 04:18
- 12♂︎ Mars04:18 – 05:17
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Questions
How are the planetary hours calculated in Jepara?
On Saturday, 10 October 2026, the Sun rises at 05:18 and sets at 17:30: the day lasts 12h 13m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 05:17, lasts 11h 47m: twelve night hours of 59 min.
Which planet rules the first hour that day?
Saturn, from 05:18 to 06:19: 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.