A Federal refund the IRS states that most refund can be received within 21 days (business days) from the date a return is accepted if you e-filed & choose direct deposit. States differ when they issue refunds. During the end of the filing date of April 15, 2019, the IRS is busy so there could be a slight delay.
You can check the status of your Federal refund on the IRS website Where's My Refund
https://www.irs.gov/refunds
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Your state refund, you can check your states website
How do I track my state refund?
