Planetary hours
in Tokyo.
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
- 04:42
- Sunset
- 18:53
- Next sunrise
- 04:42
A day hour lasts 1h 11m; a night hour, 49 min. Local time (Asia/Tokyo).
Day
- 1♃︎ Jupiter04:42 – 05:53
- 2♂︎ Mars05:53 – 07:03
- 3☉︎ Sun07:03 – 08:14
- 4♀︎ Venus08:14 – 09:25
- 5☿︎ Mercury09:25 – 10:36
- 6☽︎ Moon10:36 – 11:47
- 7♄︎ Saturn11:47 – 12:58
- 8♃︎ Jupiter12:58 – 14:09
- 9♂︎ Mars14:09 – 15:20
- 10☉︎ Sun15:20 – 16:31
- 11♀︎ Venus16:31 – 17:42
- 12☿︎ Mercury17:42 – 18:53
Night
- 1☽︎ Moon18:53 – 19:42
- 2♄︎ Saturn19:42 – 20:31
- 3♃︎ Jupiter20:31 – 21:20
- 4♂︎ Mars21:20 – 22:09
- 5☉︎ Sun22:09 – 22:58
- 6♀︎ Venus22:58 – 23:47
- 7☿︎ Mercury23:47 – 00:37
- 8☽︎ Moon00:37 – 01:26
- 9♄︎ Saturn01:26 – 02:15
- 10♃︎ Jupiter02:15 – 03:04
- 11♂︎ Mars03:04 – 03:53
- 12☉︎ Sun03:53 – 04:42
Questions
How are the planetary hours calculated in Tokyo?
On Thursday, 23 July 2026, the Sun rises at 04:42 and sets at 18:53: the day lasts 14h 11m, that is twelve day hours of 1h 11m. The night, until the next sunrise at 04:42, lasts 9h 50m: twelve night hours of 49 min.
Which planet rules the first hour that day?
Jupiter, from 04:42 to 05:53: 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.