How can one write a condition datetime is not NaT?

How can one write a condition datetime is not NaT?

Answer 1

[Steven Lord]

Use isnat.

T = datetime('today')

T = datetime
   19-Aug-2021

isnat(T)

ans = logical
   0

[alpedhuez]

https://www.mathworks.com/help/matlab/ref/datetime.isnat.html. Thank you.

Answer 2

[Oleksa_Berruk]

https://www.mathworks.com/help/matlab/ref/datetime.isnat.html. Thank you. 

https://www.mathworks.com/help/matlab/ref/datetime.isnat.html

Thank you a bunch!