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Planetary hours · Nagoya (Japan)

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 Wednesday, 7 October 2026: day of Mercury

Sunrise
05:51
Sunset
17:28
Next sunrise
05:52

A day hour lasts 58 min; a night hour, 1h 02m. Local time (Asia/Tokyo).

Day

  1. 1☿︎ Mercury05:51 – 06:49
  2. 2☽︎ Moon06:49 – 07:47
  3. 3♄︎ Saturn07:47 – 08:45
  4. 4♃︎ Jupiter08:45 – 09:43
  5. 5♂︎ Mars09:43 – 10:41
  6. 6☉︎ Sun10:41 – 11:40
  7. 7♀︎ Venus11:40 – 12:38
  8. 8☿︎ Mercury12:38 – 13:36
  9. 9☽︎ Moon13:36 – 14:34
  10. 10♄︎ Saturn14:34 – 15:32
  11. 11♃︎ Jupiter15:32 – 16:30
  12. 12♂︎ Mars16:30 – 17:28

Night

  1. 1☉︎ Sun17:28 – 18:30
  2. 2♀︎ Venus18:30 – 19:32
  3. 3☿︎ Mercury19:32 – 20:34
  4. 4☽︎ Moon20:34 – 21:36
  5. 5♄︎ Saturn21:36 – 22:38
  6. 6♃︎ Jupiter22:38 – 23:40
  7. 7♂︎ Mars23:40 – 00:42
  8. 8☉︎ Sun00:42 – 01:44
  9. 9♀︎ Venus01:44 – 02:46
  10. 10☿︎ Mercury02:46 – 03:48
  11. 11☽︎ Moon03:48 – 04:50
  12. 12♄︎ Saturn04:50 – 05:52

Questions

How are the planetary hours calculated in Nagoya?

On Wednesday, 7 October 2026, the Sun rises at 05:51 and sets at 17:28: the day lasts 11h 37m, that is twelve day hours of 58 min. The night, until the next sunrise at 05:52, lasts 12h 24m: twelve night hours of 1h 02m.

Which planet rules the first hour that day?

Mercury, from 05:51 to 06:49: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.

My sky on my chart

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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.