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function day is not working in matlab 2020a

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I got the following error while using the function 'day' in matlab 2020a. But its worked in 2016a
>>t =
>> day(t)
Check for missing argument or incorrect argument data type in call to function 'day'.

Accepted Answer

Ameer Hamza
Ameer Hamza on 21 Dec 2020
Function day() is defined for datetime input arguments. For example
>> t = datetime('now');
>> day(t)
ans =
Prasanth R
Prasanth R on 21 Dec 2020
Issue solved. I removed the line
tint = int64(tt);
and used 'datenum' in datetime function
(tt= my matrix)
tdate = datetime(tt,'ConvertFrom','datenum') ;
day_count = day(tdate,'dayofmonth') ;
Thanks for your valuable time and consideration...

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