In case you’ve ever found yourself asking this, or a variant of:

“How do I find out the best time to post content for high visibility? Are there peak times or is it specific to each organization?”

This is, I am sure, not you

My short answer is:

The most accurate benchmark you can use is to measure against yourself.

Click here for the wherewithal and how-to-do-it-ness over on the Microsoft Tech Community.