Planetary hours
in Osaka.
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 Thursday, 23 July 2026: day of Jupiter
- Sunrise
- 05:01
- Sunset
- 19:07
- Next sunrise
- 05:01
A day hour lasts 1h 11m; a night hour, 50 min. Local time (Asia/Tokyo).
Day
- 1♃︎ Jupiter05:01 – 06:11
- 2♂︎ Mars06:11 – 07:22
- 3☉︎ Sun07:22 – 08:32
- 4♀︎ Venus08:32 – 09:43
- 5☿︎ Mercury09:43 – 10:53
- 6☽︎ Moon10:53 – 12:04
- 7♄︎ Saturn12:04 – 13:14
- 8♃︎ Jupiter13:14 – 14:25
- 9♂︎ Mars14:25 – 15:35
- 10☉︎ Sun15:35 – 16:46
- 11♀︎ Venus16:46 – 17:56
- 12☿︎ Mercury17:56 – 19:07
Night
- 1☽︎ Moon19:07 – 19:56
- 2♄︎ Saturn19:56 – 20:46
- 3♃︎ Jupiter20:46 – 21:36
- 4♂︎ Mars21:36 – 22:25
- 5☉︎ Sun22:25 – 23:15
- 6♀︎ Venus23:15 – 00:04
- 7☿︎ Mercury00:04 – 00:54
- 8☽︎ Moon00:54 – 01:43
- 9♄︎ Saturn01:43 – 02:33
- 10♃︎ Jupiter02:33 – 03:22
- 11♂︎ Mars03:22 – 04:12
- 12☉︎ Sun04:12 – 05:01
Questions
How are the planetary hours calculated in Osaka?
On Thursday, 23 July 2026, the Sun rises at 05:01 and sets at 19:07: the day lasts 14h 06m, that is twelve day hours of 1h 11m. The night, until the next sunrise at 05:01, lasts 9h 54m: twelve night hours of 50 min.
Which planet rules the first hour that day?
Jupiter, from 05:01 to 06:11: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.