Identify the Julian Date value
If it is a Julian Day Number, use the integer part as the day count
If it includes a decimal fraction, use the fraction as the time of day
Convert the integer day count to the corresponding calendar date using a Julian Date converter or formula
Subtract 0.5 if needed when converting from astronomical Julian Date to civil date starting at midnight
Interpret the fractional part by multiplying it by 24 to get hours
Convert remaining fractions of an hour to minutes and seconds
Check whether the value is in Julian Date, Julian Day Number, or Modified Julian Date format
Verify the reference epoch used by the source before converting
Use a reliable conversion table, calculator, or software for exact reading