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Planetary hours · Sendai (Japan)

Planetary hours
in Sendai.

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 Thursday, 22 May 2025: day of Jupiter

Sunrise
04:20
Sunset
18:46
Next sunrise
04:19

A day hour lasts 1h 12m; a night hour, 48 min. Local time (Asia/Tokyo).

Day

  1. 1♃︎ Jupiter04:20 – 05:32
  2. 2♂︎ Mars05:32 – 06:44
  3. 3☉︎ Sun06:44 – 07:56
  4. 4♀︎ Venus07:56 – 09:09
  5. 5☿︎ Mercury09:09 – 10:21
  6. 6☽︎ Moon10:21 – 11:33
  7. 7♄︎ Saturn11:33 – 12:45
  8. 8♃︎ Jupiter12:45 – 13:57
  9. 9♂︎ Mars13:57 – 15:09
  10. 10☉︎ Sun15:09 – 16:22
  11. 11♀︎ Venus16:22 – 17:34
  12. 12☿︎ Mercury17:34 – 18:46

Night

  1. 1☽︎ Moon18:46 – 19:34
  2. 2♄︎ Saturn19:34 – 20:22
  3. 3♃︎ Jupiter20:22 – 21:09
  4. 4♂︎ Mars21:09 – 21:57
  5. 5☉︎ Sun21:57 – 22:45
  6. 6♀︎ Venus22:45 – 23:33
  7. 7☿︎ Mercury23:33 – 00:20
  8. 8☽︎ Moon00:20 – 01:08
  9. 9♄︎ Saturn01:08 – 01:56
  10. 10♃︎ Jupiter01:56 – 02:44
  11. 11♂︎ Mars02:44 – 03:31
  12. 12☉︎ Sun03:31 – 04:19

Other cities · Japan

Questions

How are the planetary hours calculated in Sendai?

On Thursday, 22 May 2025, the Sun rises at 04:20 and sets at 18:46: the day lasts 14h 26m, that is twelve day hours of 1h 12m. The night, until the next sunrise at 04:19, lasts 9h 33m: twelve night hours of 48 min.

Which planet rules the first hour that day?

Jupiter, from 04:20 to 05:32: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.