Planetary hours
in Nagoya.
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 Monday, 7 December 2026: day of the Moon
- Sunrise
- 06:47
- Sunset
- 16:40
- Next sunrise
- 06:47
A day hour lasts 49 min; a night hour, 1h 11m. Local time (Asia/Tokyo).
Day
- 1☽︎ Moon06:47 – 07:36
- 2♄︎ Saturn07:36 – 08:25
- 3♃︎ Jupiter08:25 – 09:15
- 4♂︎ Mars09:15 – 10:04
- 5☉︎ Sun10:04 – 10:54
- 6♀︎ Venus10:54 – 11:43
- 7☿︎ Mercury11:43 – 12:32
- 8☽︎ Moon12:32 – 13:22
- 9♄︎ Saturn13:22 – 14:11
- 10♃︎ Jupiter14:11 – 15:01
- 11♂︎ Mars15:01 – 15:50
- 12☉︎ Sun15:50 – 16:40
Night
- 1♀︎ Venus16:40 – 17:50
- 2☿︎ Mercury17:50 – 19:01
- 3☽︎ Moon19:01 – 20:11
- 4♄︎ Saturn20:11 – 21:22
- 5♃︎ Jupiter21:22 – 22:33
- 6♂︎ Mars22:33 – 23:43
- 7☉︎ Sun23:43 – 00:54
- 8♀︎ Venus00:54 – 02:05
- 9☿︎ Mercury02:05 – 03:15
- 10☽︎ Moon03:15 – 04:26
- 11♄︎ Saturn04:26 – 05:37
- 12♃︎ Jupiter05:37 – 06:47
Questions
How are the planetary hours calculated in Nagoya?
On Monday, 7 December 2026, the Sun rises at 06:47 and sets at 16:40: the day lasts 9h 53m, that is twelve day hours of 49 min. The night, until the next sunrise at 06:47, lasts 14h 08m: twelve night hours of 1h 11m.
Which planet rules the first hour that day?
The Moon, from 06:47 to 07:36: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.