Are you working with a (like Timestamp Camera, a GPS logger, or a video editor), or
If you are looking to manage timestamps in your current workflow, here are the most effective "solid" methods:
You can toggle the timestamp on or off after the fact, allowing you to export a "clean" version and a "data" version from the same source.
To send someone to a specific moment in a video, add &t=140s (for 2 minutes and 20 seconds) to the end of a YouTube link.
You can replace the standard digital clock look with custom fonts, colors, or even a small logo to make the timestamp look like a professional broadcast "bug."