This online Day of Year Calculator determines the ordinal day number of the year. Enter the year, month and day and click the “Calculate” button to get the day number.
This day of the year calculator is used to calculate the ordinal day number of the year from the date entered by user. Days of the year are counted from January 1 of the entered year.
Check out our other date & time calculators such as Week Number Calculator or Day of Week Calculator.
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