is there a way to change the time date stamp on a jpeg?

Answer 1

you can't do that
but u can avoid the date and time
by using some software adobe photoshop
or make that area blank or use a new timestamp using adobe photoshop
but availability and cost matters

Answer 2

You can use an editing program like Photoshop to edit it out.

Answer 3

use microsoft paint!
it is stamped into the picture! you need to paint over it