Planetary hours
in Saint Petersburg.
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 Tuesday, 11 January 2028: day of Mars
- Sunrise
- 09:52
- Sunset
- 16:21
- Next sunrise
- 09:50
A day hour lasts 32 min; a night hour, 1h 27m. Local time (Europe/Moscow).
Day
- 1♂︎ Mars09:52 – 10:24
- 2☉︎ Sun10:24 – 10:57
- 3♀︎ Venus10:57 – 11:29
- 4☿︎ Mercury11:29 – 12:01
- 5☽︎ Moon12:01 – 12:34
- 6♄︎ Saturn12:34 – 13:06
- 7♃︎ Jupiter13:06 – 13:39
- 8♂︎ Mars13:39 – 14:11
- 9☉︎ Sun14:11 – 14:43
- 10♀︎ Venus14:43 – 15:16
- 11☿︎ Mercury15:16 – 15:48
- 12☽︎ Moon15:48 – 16:21
Night
- 1♄︎ Saturn16:21 – 17:48
- 2♃︎ Jupiter17:48 – 19:16
- 3♂︎ Mars19:16 – 20:43
- 4☉︎ Sun20:43 – 22:11
- 5♀︎ Venus22:11 – 23:38
- 6☿︎ Mercury23:38 – 01:06
- 7☽︎ Moon01:06 – 02:33
- 8♄︎ Saturn02:33 – 04:01
- 9♃︎ Jupiter04:01 – 05:28
- 10♂︎ Mars05:28 – 06:55
- 11☉︎ Sun06:55 – 08:23
- 12♀︎ Venus08:23 – 09:50
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Questions
How are the planetary hours calculated in Saint Petersburg?
On Tuesday, 11 January 2028, the Sun rises at 09:52 and sets at 16:21: the day lasts 6h 29m, that is twelve day hours of 32 min. The night, until the next sunrise at 09:50, lasts 17h 30m: twelve night hours of 1h 27m.
Which planet rules the first hour that day?
Mars, from 09:52 to 10:24: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.
On a computer? Scan this code with your phone.
Calendars
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.