Your question was already answered, and you can view it at this link:
https://ttlc.intuit.com/community/after-you-file/discussion/my-federal-income-tax-that-was-e-filed-has-been-accepted-at-9-51-this-evening-approximately-when-do/01/1027970
No one can tell you an exact date. But that answer tells you some timelines in general and how to monitor it.