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 Wednesday, 21 October 2026: day of Mercury
- Sunrise
- 05:13
- Sunset
- 17:30
- Next sunrise
- 05:13
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Asia/Jakarta).
Day
- 1☿︎ Mercury05:13 – 06:15
- 2☽︎ Moon06:15 – 07:16
- 3♄︎ Saturn07:16 – 08:17
- 4♃︎ Jupiter08:17 – 09:19
- 5♂︎ Mars09:19 – 10:20
- 6☉︎ Sun10:20 – 11:22
- 7♀︎ Venus11:22 – 12:23
- 8☿︎ Mercury12:23 – 13:24
- 9☽︎ Moon13:24 – 14:26
- 10♄︎ Saturn14:26 – 15:27
- 11♃︎ Jupiter15:27 – 16:29
- 12♂︎ Mars16:29 – 17:30
Night
- 1☉︎ Sun17:30 – 18:28
- 2♀︎ Venus18:28 – 19:27
- 3☿︎ Mercury19:27 – 20:26
- 4☽︎ Moon20:26 – 21:24
- 5♄︎ Saturn21:24 – 22:23
- 6♃︎ Jupiter22:23 – 23:21
- 7♂︎ Mars23:21 – 00:20
- 8☉︎ Sun00:20 – 01:19
- 9♀︎ Venus01:19 – 02:17
- 10☿︎ Mercury02:17 – 03:16
- 11☽︎ Moon03:16 – 04:14
- 12♄︎ Saturn04:14 – 05:13
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Questions
How are the planetary hours calculated in Jepara?
On Wednesday, 21 October 2026, the Sun rises at 05:13 and sets at 17:30: the day lasts 12h 17m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 05:13, lasts 11h 43m: twelve night hours of 59 min.
Which planet rules the first hour that day?
Mercury, from 05:13 to 06:15: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.