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, 19 December 2026: day of Saturn
- Sunrise
- 05:18
- Sunset
- 17:49
- Next sunrise
- 05:19
A day hour lasts 1h 03m; a night hour, 57 min. Local time (Asia/Jakarta).
Day
- 1♄︎ Saturn05:18 – 06:21
- 2♃︎ Jupiter06:21 – 07:24
- 3♂︎ Mars07:24 – 08:26
- 4☉︎ Sun08:26 – 09:29
- 5♀︎ Venus09:29 – 10:31
- 6☿︎ Mercury10:31 – 11:34
- 7☽︎ Moon11:34 – 12:36
- 8♄︎ Saturn12:36 – 13:39
- 9♃︎ Jupiter13:39 – 14:41
- 10♂︎ Mars14:41 – 15:44
- 11☉︎ Sun15:44 – 16:46
- 12♀︎ Venus16:46 – 17:49
Night
- 1☿︎ Mercury17:49 – 18:46
- 2☽︎ Moon18:46 – 19:44
- 3♄︎ Saturn19:44 – 20:41
- 4♃︎ Jupiter20:41 – 21:39
- 5♂︎ Mars21:39 – 22:36
- 6☉︎ Sun22:36 – 23:34
- 7♀︎ Venus23:34 – 00:31
- 8☿︎ Mercury00:31 – 01:29
- 9☽︎ Moon01:29 – 02:26
- 10♄︎ Saturn02:26 – 03:24
- 11♃︎ Jupiter03:24 – 04:21
- 12♂︎ Mars04:21 – 05:19
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Questions
How are the planetary hours calculated in Jepara?
On Saturday, 19 December 2026, the Sun rises at 05:18 and sets at 17:49: the day lasts 12h 31m, that is twelve day hours of 1h 03m. The night, until the next sunrise at 05:19, lasts 11h 30m: twelve night hours of 57 min.
Which planet rules the first hour that day?
Saturn, from 05:18 to 06:21: 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.