How to convert date to day number?
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Hello I wanna convert a date to day number. For example: 2012-Junuary-12 is equal to 12 days (we are talking about 12 days passed of 365 day) I don´t refer to Julian Day.
3 comentarios
James Tursa
el 28 de Jul. de 2017
Editada: per isakson
el 28 de Jul. de 2017
@Jan: Julian Date and Day Of Year are two different things. Julian Date has a very specific meaning. E.g. from the USNO:
Or if you prefer Wiki
Jan
el 1 de Ag. de 2017
Thanks, James. I hoped that the OP explain maore details also, e.g. how the input is represented and why he mentions the Julian Day.
Respuestas (1)
Steven Lord
el 28 de Jul. de 2017
dt = datetime('2012-January-12')
day(dt, 'dayofyear')
2 comentarios
Peter Perkins
el 1 de Ag. de 2017
And also:
>> dt = datetime(2012,1:3,12)
dt =
1×3 datetime array
12-Jan-2012 12-Feb-2012 12-Mar-2012
>> dt.Format = 'yyyy:D'
dt =
1×3 datetime array
2012:12 2012:43 2012:72
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