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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 Saturday, 29 August 2026: day of Saturn

Sunrise
05:03
Sunset
18:11
Next sunrise
05:03

A day hour lasts 1h 06m; a night hour, 54 min. Local time (Asia/Tokyo).

Day

  1. 1♄︎ Saturn05:03 – 06:08
  2. 2♃︎ Jupiter06:08 – 07:14
  3. 3♂︎ Mars07:14 – 08:20
  4. 4☉︎ Sun08:20 – 09:25
  5. 5♀︎ Venus09:25 – 10:31
  6. 6☿︎ Mercury10:31 – 11:37
  7. 7☽︎ Moon11:37 – 12:42
  8. 8♄︎ Saturn12:42 – 13:48
  9. 9♃︎ Jupiter13:48 – 14:54
  10. 10♂︎ Mars14:54 – 16:00
  11. 11☉︎ Sun16:00 – 17:05
  12. 12♀︎ Venus17:05 – 18:11

Night

  1. 1☿︎ Mercury18:11 – 19:05
  2. 2☽︎ Moon19:05 – 20:00
  3. 3♄︎ Saturn20:00 – 20:54
  4. 4♃︎ Jupiter20:54 – 21:48
  5. 5♂︎ Mars21:48 – 22:43
  6. 6☉︎ Sun22:43 – 23:37
  7. 7♀︎ Venus23:37 – 00:32
  8. 8☿︎ Mercury00:32 – 01:26
  9. 9☽︎ Moon01:26 – 02:20
  10. 10♄︎ Saturn02:20 – 03:15
  11. 11♃︎ Jupiter03:15 – 04:09
  12. 12♂︎ Mars04:09 – 05:03

Other cities · Japan

Questions

How are the planetary hours calculated in Sendai?

On Saturday, 29 August 2026, the Sun rises at 05:03 and sets at 18:11: the day lasts 13h 08m, that is twelve day hours of 1h 06m. The night, until the next sunrise at 05:03, lasts 10h 52m: twelve night hours of 54 min.

Which planet rules the first hour that day?

Saturn, from 05:03 to 06:08: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.