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 Saturday, 24 October 2026: day of Saturn
- Sunrise
- 06:05
- Sunset
- 17:06
- Next sunrise
- 06:06
A day hour lasts 55 min; a night hour, 1h 05m. Local time (Asia/Tokyo).
Day
- 1♄︎ Saturn06:05 – 07:00
- 2♃︎ Jupiter07:00 – 07:55
- 3♂︎ Mars07:55 – 08:51
- 4☉︎ Sun08:51 – 09:46
- 5♀︎ Venus09:46 – 10:41
- 6☿︎ Mercury10:41 – 11:36
- 7☽︎ Moon11:36 – 12:31
- 8♄︎ Saturn12:31 – 13:26
- 9♃︎ Jupiter13:26 – 14:21
- 10♂︎ Mars14:21 – 15:16
- 11☉︎ Sun15:16 – 16:11
- 12♀︎ Venus16:11 – 17:06
Night
- 1☿︎ Mercury17:06 – 18:11
- 2☽︎ Moon18:11 – 19:16
- 3♄︎ Saturn19:16 – 20:21
- 4♃︎ Jupiter20:21 – 21:26
- 5♂︎ Mars21:26 – 22:31
- 6☉︎ Sun22:31 – 23:36
- 7♀︎ Venus23:36 – 00:41
- 8☿︎ Mercury00:41 – 01:46
- 9☽︎ Moon01:46 – 02:51
- 10♄︎ Saturn02:51 – 03:56
- 11♃︎ Jupiter03:56 – 05:01
- 12♂︎ Mars05:01 – 06:06
Questions
How are the planetary hours calculated in Nagoya?
On Saturday, 24 October 2026, the Sun rises at 06:05 and sets at 17:06: the day lasts 11h 01m, that is twelve day hours of 55 min. The night, until the next sunrise at 06:06, lasts 13h 00m: twelve night hours of 1h 05m.
Which planet rules the first hour that day?
Saturn, from 06:05 to 07:00: 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.