matlab - Displaying Milliseconds of the current time -

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i trying display milliseconds of current time on screen couldn't it. managed show seconds .. help??

my code:

datestr(now, 'hh:mm:ss')

from second-to-last row of format out table, need fff identifier:

>> datestr(now, 'hh:mm:ss:fff')  ans = 19:35:59:476

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