The IRS Where’s My Refund tool will show “Return Received” status once they begin processing your tax return. You will not see a refund date until the IRS finishes processing your tax return and approves your tax refund.
Please find the following link that provides additional information regarding "Where's My Tax Refund":
https://blog.turbotax.intuit.com/tax-refunds/wheres-my-tax-refund-how-to-check-your-refund-status-18...
Additionally, I have included a helpful FAQ with regards to what 'Accepted' means:
https://ttlc.intuit.com/replies/3958820
