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|  | Use the following comprehensive charts spanning several centuries to convertdates between feastday names and thecorresponding Julian and GregorianCalendar systems.
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|  |  | |title=Genealogical Feast Day Calendars • FamilySearch | 
|  |  | |description=Simplify your research and effortlessly convert religious feast days in both the Julian calendar and Gregorian calendar with our date charts spanning 1400s through 1800s - ideal for genealogists, academics, and historians. | 
|  |  | }} | 
|  | ==Julian Calendar== |  | ==Julian Calendar== | 
|  | ===1426-1535=== |  | ===1426-1535=== | 
|  | The Movable Feast Day Tables - Julian Calendar begin with the year 1536. A few records using feast days may be in existance before that year. For the period 1426-1535, use the table of the year listed next to the year desired, as follows: |  | The Movable Feast Day Tables - Julian Calendar begin with the year 1536. A few records using feast days may be in existence before that year. For the period 1426-1535, use the table of the year listed next to the year desired, as follows: | 
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|  | Example: 1437=1583 (For the feast days in 1437, use the table for 1583). <br> |  | Example: 1437=1583 (For the feast days in 1437, use the table for 1583). <br> |