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 Saturday, 31 October 2026: day of Saturn
- Sunrise
- 06:17
- Sunset
- 17:05
- Next sunrise
- 06:18
A day hour lasts 54 min; a night hour, 1h 06m. Local time (Asia/Tokyo).
Day
- 1♄︎ Saturn06:17 – 07:11
- 2♃︎ Jupiter07:11 – 08:05
- 3♂︎ Mars08:05 – 08:59
- 4☉︎ Sun08:59 – 09:53
- 5♀︎ Venus09:53 – 10:47
- 6☿︎ Mercury10:47 – 11:41
- 7☽︎ Moon11:41 – 12:35
- 8♄︎ Saturn12:35 – 13:29
- 9♃︎ Jupiter13:29 – 14:23
- 10♂︎ Mars14:23 – 15:17
- 11☉︎ Sun15:17 – 16:11
- 12♀︎ Venus16:11 – 17:05
Night
- 1☿︎ Mercury17:05 – 18:11
- 2☽︎ Moon18:11 – 19:17
- 3♄︎ Saturn19:17 – 20:23
- 4♃︎ Jupiter20:23 – 21:29
- 5♂︎ Mars21:29 – 22:35
- 6☉︎ Sun22:35 – 23:41
- 7♀︎ Venus23:41 – 00:47
- 8☿︎ Mercury00:47 – 01:53
- 9☽︎ Moon01:53 – 02:59
- 10♄︎ Saturn02:59 – 04:05
- 11♃︎ Jupiter04:05 – 05:12
- 12♂︎ Mars05:12 – 06:18
Questions
How are the planetary hours calculated in Osaka?
On Saturday, 31 October 2026, the Sun rises at 06:17 and sets at 17:05: the day lasts 10h 49m, that is twelve day hours of 54 min. The night, until the next sunrise at 06:18, lasts 13h 12m: twelve night hours of 1h 06m.
Which planet rules the first hour that day?
Saturn, from 06:17 to 07:11: 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.