Is it possible to replace a value in date vector in MATLAB?

HI, I am interested to replace "NaT" of a date vector in MATLAB. It does not allow me to do it. Is there any tric to do it? More clearly I have a vetor of Dates of the year without the year. Ex: T=[0101 0102 0103 ...... 1230 12 31] of length 366. But the erlement 0229 shows as NaT without year. I want to replace it like

T(60)=0229;

Since T is a date vector, it does not allow me to do it. Is there any tric to do it?

Thanks in advance.

[KSSV]

Convert the value with which you want to replace to class datetime.

[Gazi Alam]

Thanks, it works now.