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Convert Solar Longitude to JD & Date

Calculate the peak of a meteor shower

Calculate the Julian day from solar longitude referred to equinox J2000.0

The algorithm is stable between 1900 and 2100 and its accuracy is better than 0.02 days.
Solar Longitude J2000.0 Equinox or choose from list:
Month Year

Julian Day UT
Year Month Day Hour UT

Constructed: November 1998, by: Eran Ofek