We have multiple types of monthly and yearly Julian templates including the date countdown for the year and, preceding and succeeding month reference along with the Roman Julian calendar. Astronomical Applications Department. About the Author. Information Bulletin No. For example, if the date you're converting is February 28, there are 59 days between January 1 and February
Conventions vary as to whether this is based on UT or local time.
Julian Date (JD) Calculator and Calendars
The date given is a Gregorian calendar date if it is October 15,or later, but a Julian calendar date if it is earlier. Vassar Semi-Centennial Series. Mill Valley, Calif.: Chi, A. December Julian date calendar. April revised May