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, 17 October 2026: day of Saturn
- Sunrise
- 05:15
- Sunset
- 17:30
- Next sunrise
- 05:14
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Asia/Jakarta).
Day
- 1♄︎ Saturn05:15 – 06:16
- 2♃︎ Jupiter06:16 – 07:17
- 3♂︎ Mars07:17 – 08:18
- 4☉︎ Sun08:18 – 09:20
- 5♀︎ Venus09:20 – 10:21
- 6☿︎ Mercury10:21 – 11:22
- 7☽︎ Moon11:22 – 12:24
- 8♄︎ Saturn12:24 – 13:25
- 9♃︎ Jupiter13:25 – 14:26
- 10♂︎ Mars14:26 – 15:27
- 11☉︎ Sun15:27 – 16:29
- 12♀︎ Venus16:29 – 17:30
Night
- 1☿︎ Mercury17:30 – 18:29
- 2☽︎ Moon18:29 – 19:27
- 3♄︎ Saturn19:27 – 20:26
- 4♃︎ Jupiter20:26 – 21:25
- 5♂︎ Mars21:25 – 22:23
- 6☉︎ Sun22:23 – 23:22
- 7♀︎ Venus23:22 – 00:21
- 8☿︎ Mercury00:21 – 01:19
- 9☽︎ Moon01:19 – 02:18
- 10♄︎ Saturn02:18 – 03:17
- 11♃︎ Jupiter03:17 – 04:16
- 12♂︎ Mars04:16 – 05:14
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Questions
How are the planetary hours calculated in Jepara?
On Saturday, 17 October 2026, the Sun rises at 05:15 and sets at 17:30: the day lasts 12h 15m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 05:14, lasts 11h 44m: twelve night hours of 59 min.
Which planet rules the first hour that day?
Saturn, from 05:15 to 06:16: 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.