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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 Wednesday, 18 November 2026: day of Mercury

Sunrise
06:20
Sunset
16:22
Next sunrise
06:21

A day hour lasts 50 min; a night hour, 1h 10m. Local time (Asia/Tokyo).

Day

  1. 1☿︎ Mercury06:20 – 07:10
  2. 2☽︎ Moon07:10 – 08:00
  3. 3♄︎ Saturn08:00 – 08:50
  4. 4♃︎ Jupiter08:50 – 09:41
  5. 5♂︎ Mars09:41 – 10:31
  6. 6☉︎ Sun10:31 – 11:21
  7. 7♀︎ Venus11:21 – 12:11
  8. 8☿︎ Mercury12:11 – 13:01
  9. 9☽︎ Moon13:01 – 13:51
  10. 10♄︎ Saturn13:51 – 14:42
  11. 11♃︎ Jupiter14:42 – 15:32
  12. 12♂︎ Mars15:32 – 16:22

Night

  1. 1☉︎ Sun16:22 – 17:32
  2. 2♀︎ Venus17:32 – 18:42
  3. 3☿︎ Mercury18:42 – 19:52
  4. 4☽︎ Moon19:52 – 21:02
  5. 5♄︎ Saturn21:02 – 22:12
  6. 6♃︎ Jupiter22:12 – 23:21
  7. 7♂︎ Mars23:21 – 00:31
  8. 8☉︎ Sun00:31 – 01:41
  9. 9♀︎ Venus01:41 – 02:51
  10. 10☿︎ Mercury02:51 – 04:01
  11. 11☽︎ Moon04:01 – 05:11
  12. 12♄︎ Saturn05:11 – 06:21

Questions

How are the planetary hours calculated in Sendai?

On Wednesday, 18 November 2026, the Sun rises at 06:20 and sets at 16:22: the day lasts 10h 02m, that is twelve day hours of 50 min. The night, until the next sunrise at 06:21, lasts 13h 59m: twelve night hours of 1h 10m.

Which planet rules the first hour that day?

Mercury, from 06:20 to 07:10: 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.

My sky on my chart

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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.