MATLAB: Cannot use datetime function on {’01 Nov 2019 14:39:50.365′}

date conversionMATLAB

Results in following error: Could not recognize the date/time format of '01 Nov 2019 14:39:50.365'. You can specify a format using the 'InputFormat' parameter. If the date/time text contains day, month, or time zone names in a language foreign to the 'en_US' locale, those might not be recognized. You can specify a different locale using

the 'Locale' parameter.

I've tried pretty much everything, what i'm after is converting the above date into juilian time. The juliandate function does not work on the date either.

Best Answer

s = '01 Nov 2019 14:39:50.365';
datetime(s,'InputFormat',"dd MMM yyyy HH:mm:ss.S")

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MATLAB: Vector of dates going back one rolling year

You can subtract one from the year field:

>> Vend = clock;
>> Nend = datenum(Vend);
>> Nbeg = datenum([Vend(1)-1,Vend(2:end)]);
>> Nall = Nbeg:Nend;
>> Vall = datevec(Nall);

You might also want to adjust Nbeg by one, depending on whether you want to include start on the same date as the period ends on.

EDIT this code gives just first of each month, over the past twelve months (regardless of the end month):

>> Vend = clock;
>> Nbeg = datenum([Vend(1)-1,1+Vend(2),1]);
>> Vbeg = datevec(Nbeg);
>> Nall = datenum(Vbeg(1),Vbeg(2)+(11:-1:0),1);
>> datestr(Nall)
ans =
01-Nov-2015
01-Oct-2015
01-Sep-2015
01-Aug-2015
01-Jul-2015
01-Jun-2015
01-May-2015
01-Apr-2015
01-Mar-2015
01-Feb-2015
01-Jan-2015
01-Dec-2014

MATLAB: How to convert string to date

Date = '10:12:25 Tue 11-Dec-18'
res = datetime(Date ,'InputFormat','HH:mm:ss eee dd-MMM-yy','Format','dd/MM/yyyy HH:mm a')
Date =
    '10:12:25 Tue 11-Dec-18'
res = 
  datetime
   11/12/2018 10:12 AM

Best Answer

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MATLAB: Vector of dates going back one rolling year

MATLAB: How to convert string to date

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