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Planetary day
Mercury
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Resources / Celestial timing
Celestial Timing Instruments
A practical suite for traditional timing: planetary day, moon phase, lunar mansion, zodiacal position, and decan placement from a selected date and time.
These first instruments use compact approximations suitable for study and planning. For exact astronomical work, compare against a dedicated ephemeris.
Celestial timing instrument
Daily celestial snapshot
2026-09-09 · 4:50 PM / 16:50
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Moon phase
Waning Crescent
5% illuminated
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Lunar mansion
12. Al Sarfah
29° 38′ Leo
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Solar / lunar signs
Virgo
Moon: Leo
Zodiacal hour
Scorpio
Water · Fixed
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Fixed-star proximity
Regulus
Closest Sun or Moon contact from the reference set.
These instruments use compact traditional approximations for study and planning. They are not a substitute for high-precision ephemerides when exact astronomical timing is required.