To get your refund? Only the IRS can tell you. Turbo Tax just gives an estimated date of 21 days. When did you file? Was your return Accepted?
When you efile you get back 2 emails. The first email only confirms the transmission. The second email says if the IRS (or state) Accepted or Rejected your efile. And check your spam folder for them.
When you log into your account you should also see the status and if it was Accepted or Rejected, Started, Printed, Ready to Mail, etc. What does it say?