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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, 25 December 2025: day of Jupiter

Sunrise
06:51
Sunset
16:21
Next sunrise
06:51

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

Day

  1. 1♃︎ Jupiter06:51 – 07:38
  2. 2♂︎ Mars07:38 – 08:26
  3. 3☉︎ Sun08:26 – 09:13
  4. 4♀︎ Venus09:13 – 10:01
  5. 5☿︎ Mercury10:01 – 10:48
  6. 6☽︎ Moon10:48 – 11:36
  7. 7♄︎ Saturn11:36 – 12:24
  8. 8♃︎ Jupiter12:24 – 13:11
  9. 9♂︎ Mars13:11 – 13:59
  10. 10☉︎ Sun13:59 – 14:46
  11. 11♀︎ Venus14:46 – 15:34
  12. 12☿︎ Mercury15:34 – 16:21

Night

  1. 1☽︎ Moon16:21 – 17:34
  2. 2♄︎ Saturn17:34 – 18:46
  3. 3♃︎ Jupiter18:46 – 19:59
  4. 4♂︎ Mars19:59 – 21:11
  5. 5☉︎ Sun21:11 – 22:24
  6. 6♀︎ Venus22:24 – 23:36
  7. 7☿︎ Mercury23:36 – 00:49
  8. 8☽︎ Moon00:49 – 02:01
  9. 9♄︎ Saturn02:01 – 03:14
  10. 10♃︎ Jupiter03:14 – 04:26
  11. 11♂︎ Mars04:26 – 05:39
  12. 12☉︎ Sun05:39 – 06:51

Other cities · Japan

Questions

How are the planetary hours calculated in Sendai?

On Thursday, 25 December 2025, the Sun rises at 06:51 and sets at 16:21: the day lasts 9h 30m, that is twelve day hours of 48 min. The night, until the next sunrise at 06:51, lasts 14h 30m: twelve night hours of 1h 12m.

Which planet rules the first hour that day?

Jupiter, from 06:51 to 07:38: 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.