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, 3 August 2026: day of the Moon
- Sunrise
- 05:02
- Sunset
- 18:54
- Next sunrise
- 05:03
A day hour lasts 1h 09m; a night hour, 51 min. Local time (Asia/Tokyo).
Day
- 1☽︎ Moon05:02 – 06:11
- 2♄︎ Saturn06:11 – 07:21
- 3♃︎ Jupiter07:21 – 08:30
- 4♂︎ Mars08:30 – 09:39
- 5☉︎ Sun09:39 – 10:49
- 6♀︎ Venus10:49 – 11:58
- 7☿︎ Mercury11:58 – 13:07
- 8☽︎ Moon13:07 – 14:16
- 9♄︎ Saturn14:16 – 15:26
- 10♃︎ Jupiter15:26 – 16:35
- 11♂︎ Mars16:35 – 17:44
- 12☉︎ Sun17:44 – 18:54
Night
- 1♀︎ Venus18:54 – 19:44
- 2☿︎ Mercury19:44 – 20:35
- 3☽︎ Moon20:35 – 21:26
- 4♄︎ Saturn21:26 – 22:17
- 5♃︎ Jupiter22:17 – 23:07
- 6♂︎ Mars23:07 – 23:58
- 7☉︎ Sun23:58 – 00:49
- 8♀︎ Venus00:49 – 01:40
- 9☿︎ Mercury01:40 – 02:31
- 10☽︎ Moon02:31 – 03:21
- 11♄︎ Saturn03:21 – 04:12
- 12♃︎ Jupiter04:12 – 05:03
Questions
How are the planetary hours calculated in Nagoya?
On Monday, 3 August 2026, the Sun rises at 05:02 and sets at 18:54: the day lasts 13h 52m, that is twelve day hours of 1h 09m. The night, until the next sunrise at 05:03, lasts 10h 09m: twelve night hours of 51 min.
Which planet rules the first hour that day?
The Moon, from 05:02 to 06:11: 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.