How long does it take to get refund after they approved it

FROM THE IRS WHERE’S MY REFUND SITE:

 

https://www.irs.gov/wheres-my-refund

 

How it works

Where's My Refund shows your refund status:

• Return Received – We received your return and are processing it.
• Refund Approved – We approved your refund and are preparing to issue it by the date shown.
• Refund Sent – We sent the refund to your bank or to you in the mail. It may take 5 days for it to show in your bank account or several weeks for your check to arrive in the mail.