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Planetary hours · Hiroshima (Japan)

Planetary hours
in Hiroshima.

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, 17 December 2025: day of Mercury

Sunrise
07:10
Sunset
17:02
Next sunrise
07:10

A day hour lasts 49 min; a night hour, 1h 11m. Local time (Asia/Tokyo).

Day

  1. 1☿︎ Mercury07:10 – 07:59
  2. 2☽︎ Moon07:59 – 08:48
  3. 3♄︎ Saturn08:48 – 09:38
  4. 4♃︎ Jupiter09:38 – 10:27
  5. 5♂︎ Mars10:27 – 11:16
  6. 6☉︎ Sun11:16 – 12:06
  7. 7♀︎ Venus12:06 – 12:55
  8. 8☿︎ Mercury12:55 – 13:44
  9. 9☽︎ Moon13:44 – 14:34
  10. 10♄︎ Saturn14:34 – 15:23
  11. 11♃︎ Jupiter15:23 – 16:12
  12. 12♂︎ Mars16:12 – 17:02

Night

  1. 1☉︎ Sun17:02 – 18:12
  2. 2♀︎ Venus18:12 – 19:23
  3. 3☿︎ Mercury19:23 – 20:34
  4. 4☽︎ Moon20:34 – 21:45
  5. 5♄︎ Saturn21:45 – 22:55
  6. 6♃︎ Jupiter22:55 – 00:06
  7. 7♂︎ Mars00:06 – 01:17
  8. 8☉︎ Sun01:17 – 02:27
  9. 9♀︎ Venus02:27 – 03:38
  10. 10☿︎ Mercury03:38 – 04:49
  11. 11☽︎ Moon04:49 – 06:00
  12. 12♄︎ Saturn06:00 – 07:10

Other cities · Japan

Questions

How are the planetary hours calculated in Hiroshima?

On Wednesday, 17 December 2025, the Sun rises at 07:10 and sets at 17:02: the day lasts 9h 52m, that is twelve day hours of 49 min. The night, until the next sunrise at 07:10, lasts 14h 09m: twelve night hours of 1h 11m.

Which planet rules the first hour that day?

Mercury, from 07:10 to 07:59: 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.

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Calendars

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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.