day_of_year | R Documentation |
The function converts a date (day, month, year) to Calendar Day (day of year).
day_of_year(day, format = "%Y-%m-%d")
day |
|
format |
|
numeric
Julian day number, 1-366 (e.g. 1 for January 1st).
Other utility functions:
airpressure_from_elev()
,
azimuth_angle()
,
daylength()
,
dec_angle()
,
solar_noon()
,
temperature conversions
,
zenith_angle()
day_of_year(day = "2017-04-22",
format = "%Y-%m-%d")
day_of_year(day = "2017-04-22")
day_of_year(day = "04/22/2017",
format = "%m/%d/%Y")
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