Ian Mackey

How to format timestamps for X

If you're posting a video to X (formerly Twitter) and want to ensure your timestamps/chapters are formatted properly so users can click them, ensure your chapter markers are formatted as MM:SS until one hour, then H:MM:SS.

Here’s an example. As you’ll see, you can click any timestamp to jump around. Note: You don't need to wrap the timecode in parentheses.

X’s official documentation suggests that any of these formats below will work. However, that has not been my experience, and I have not tried any format other than MM:SS and H:MM:SS since learning the hard way.