The IRS only gives an estimated date not exact dates as refund deposits can take a few days to be released and deposited into your bank or if a paper check is mailed to you. If you have an EIC the IRS will release those funds beginning in late February.
Please see this TurboTax FAQ: Some 2019 federal refunds are delayed due to the PATH Act for more information.
To check on a state refund please visit your state Department of Revenue website.