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 Comments
James Tursa
on 28 Jul 2017
Edited: per isakson
on 28 Jul 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
on 1 Aug 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.
Answers (1)
Steven Lord
on 28 Jul 2017
dt = datetime('2012-January-12')
day(dt, 'dayofyear')
2 Comments
Peter Perkins
on 1 Aug 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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