How to convert date to day number?
7 vues (au cours des 30 derniers jours)
Afficher commentaires plus anciens
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 commentaires
James Tursa
le 28 Juil 2017
Modifié(e) : per isakson
le 28 Juil 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
le 1 Août 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.
Réponses (1)
Steven Lord
le 28 Juil 2017
dt = datetime('2012-January-12')
day(dt, 'dayofyear')
2 commentaires
Peter Perkins
le 1 Août 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
Voir également
Catégories
En savoir plus sur Dates and Time dans Help Center et File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!