In this "3-minute ConvertKit Tip" video, I'm going to questions that I've seen many folks answer in the forums here.

And that is to trigger some action in the future based on a date that is in a custom field.

This can be done, but it's not for the faint of heart because there will be some math and code involved, but I'm here to show you how this is done step-by-step in under 3-minutes.