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Planetary hours · Yokohama (Japan)

Planetary hours
in Yokohama.

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 Friday, 10 October 2025: day of Venus

Sunrise
05:43
Sunset
17:13
Next sunrise
05:44

A day hour lasts 57 min; a night hour, 1h 03m. Local time (Asia/Tokyo).

Day

  1. 1♀︎ Venus05:43 – 06:40
  2. 2☿︎ Mercury06:40 – 07:38
  3. 3☽︎ Moon07:38 – 08:35
  4. 4♄︎ Saturn08:35 – 09:33
  5. 5♃︎ Jupiter09:33 – 10:30
  6. 6♂︎ Mars10:30 – 11:28
  7. 7☉︎ Sun11:28 – 12:25
  8. 8♀︎ Venus12:25 – 13:23
  9. 9☿︎ Mercury13:23 – 14:20
  10. 10☽︎ Moon14:20 – 15:18
  11. 11♄︎ Saturn15:18 – 16:15
  12. 12♃︎ Jupiter16:15 – 17:13

Night

  1. 1♂︎ Mars17:13 – 18:15
  2. 2☉︎ Sun18:15 – 19:18
  3. 3♀︎ Venus19:18 – 20:20
  4. 4☿︎ Mercury20:20 – 21:23
  5. 5☽︎ Moon21:23 – 22:25
  6. 6♄︎ Saturn22:25 – 23:28
  7. 7♃︎ Jupiter23:28 – 00:31
  8. 8♂︎ Mars00:31 – 01:33
  9. 9☉︎ Sun01:33 – 02:36
  10. 10♀︎ Venus02:36 – 03:38
  11. 11☿︎ Mercury03:38 – 04:41
  12. 12☽︎ Moon04:41 – 05:44

Other cities · Japan

Questions

How are the planetary hours calculated in Yokohama?

On Friday, 10 October 2025, the Sun rises at 05:43 and sets at 17:13: the day lasts 11h 30m, that is twelve day hours of 57 min. The night, until the next sunrise at 05:44, lasts 12h 31m: twelve night hours of 1h 03m.

Which planet rules the first hour that day?

Venus, from 05:43 to 06:40: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.