The EIC/Additional EIC was not processed with the IRS until later in Feb., so it would be longer than the 21 days since you filed early.
From the IRS:
If you claimed the Earned Income Tax Credit (EITC) or the Additional Child Tax Credit (ACTC), you can expect to get your refund by the first week of March if:
Additionally, your financial institution may need time to accept your direct deposit or issue a debit card. Many institutions don’t process payments on weekends or holidays. So, if you file early, be aware of federal and local holidays that may affect how soon you get your refund.