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daynumberofyear - script and chart function

This function calculates the day number of the year in which a timestamp falls. The calculation is made from the first millisecond of the first day of the year, but the first month can be offset.



Return data type: integer

The function always uses years based on 366 days.


Argument Description
timestamp The date to evaluate.
start_month By specifying a start_month between 2 and 12 (1, if omitted), the beginning of the year may be moved forward to the first day of any month. For example, if you want to work with a fiscal year starting March 1, specify start_month = 3.

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