Converting Date to Julian Calendar format

@mishaelfash
one option would be
parse 10-Nov-2020 into a datetime with datetime.parsexact method

myDate = DateTime.ParseExact("10-Nov-2020","dd-MMM-yyyy", CultureInfo.InvariantCulture)

then use:

strJulianDate = String.Format("{0}/{1}", myDate.ToString("yyyy"), myDate.DayOfYear.ToString("000"))

Also have a look here:

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