Do need to know when you will receive your stimulus rebate check?

here is what the web site says-----Economic Stimulus Payment Schedule

Payments will start May 2. The last two-digits of your Social Security number and whether you opted for direct deposit into your financial account or a paper check will determine when you receive your payment.==== go to www.irs.gov and can read on it at rebate

Whenever Uncle Sam decides to send it to you.