dur_month = dur_day/30.4375; 365.25 days per year. 365 days in normal year 366 days in Leap year 0.25 days * 4 year becomes extra day in Leap year so, 365.25/12 = 30.4375 days per month @kathisas wrote: hey 🙂 pleas help me. I have to calculate an observation time between two dates and sas calculates the days of the periode. How can I get sas to calculate it in months? thank you for your help
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