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Planetary hours · Bologna (Italy)

Planetary hours
in Bologna.

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, 28 October 2026: day of Mercury

Sunrise
06:46
Sunset
17:09
Next sunrise
06:47

A day hour lasts 52 min; a night hour, 1h 08m. Local time (Europe/Rome).

Day

  1. 1☿︎ Mercury06:46 – 07:38
  2. 2☽︎ Moon07:38 – 08:30
  3. 3♄︎ Saturn08:30 – 09:22
  4. 4♃︎ Jupiter09:22 – 10:14
  5. 5♂︎ Mars10:14 – 11:06
  6. 6☉︎ Sun11:06 – 11:58
  7. 7♀︎ Venus11:58 – 12:50
  8. 8☿︎ Mercury12:50 – 13:41
  9. 9☽︎ Moon13:41 – 14:33
  10. 10♄︎ Saturn14:33 – 15:25
  11. 11♃︎ Jupiter15:25 – 16:17
  12. 12♂︎ Mars16:17 – 17:09

Night

  1. 1☉︎ Sun17:09 – 18:17
  2. 2♀︎ Venus18:17 – 19:26
  3. 3☿︎ Mercury19:26 – 20:34
  4. 4☽︎ Moon20:34 – 21:42
  5. 5♄︎ Saturn21:42 – 22:50
  6. 6♃︎ Jupiter22:50 – 23:58
  7. 7♂︎ Mars23:58 – 01:06
  8. 8☉︎ Sun01:06 – 02:15
  9. 9♀︎ Venus02:15 – 03:23
  10. 10☿︎ Mercury03:23 – 04:31
  11. 11☽︎ Moon04:31 – 05:39
  12. 12♄︎ Saturn05:39 – 06:47

Questions

How are the planetary hours calculated in Bologna?

On Wednesday, 28 October 2026, the Sun rises at 06:46 and sets at 17:09: the day lasts 10h 23m, that is twelve day hours of 52 min. The night, until the next sunrise at 06:47, lasts 13h 38m: twelve night hours of 1h 08m.

Which planet rules the first hour that day?

Mercury, from 06:46 to 07:38: 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.