Incorrect date submission

We've had some submissions through our online form and the last two individuals who submitted requests said the dates they submitted in the confirmation email were one day off from what they submitted. Ex. they put Sept. 18th but  on the submission we received was Sept. 19th. Can you let us know what might be wrong?

I did a test submission to your form. The preferred date is 08-30-2017, the second choice is 08-31-2017 and the third date is 09-01-2017. Please check it on your end if that is correct.

I checked your submissions page and I was not able to see the Date you're referring to. Here's a screenshot:

Could you please provide the Submission ID of the issue so we can investigate it further? To get the Submission ID, please follow this guide:

Thank you.

My apologies, I just confirmed with our office manager and it was the wrong form I sent. It’s actually our Kids4CPR one. This is the ID of the incorrect submission 3793333060512166934. He put 9/20 but his confirmation email and our notification said 9/19. The entry form is: https://www.kids4cpr.org/school-request-form
Morgan Hawley | Director of Operations
AED Institute of America, Inc.
677 Ala Moana Boulevard, Suite 605, Honolulu, Hawaii 96813
Office: 808.440.8988 | Cell: 660.888.2375 | Fax: 808.356.8197
www.aedinstitute.com
www.kids4cpr.org
We are moving! Effective October 1st, our new address will be 801 S. King St., Suite 1A, Honolulu, Hawaii 96813.
...

I did a test submission and I was not able to replicate the issue. Also, I did not find any data that the user put 9/20/2017. 

To view your form submissions, please follow this guide: https://www.jotform.com/help/269-How-to-View-Form-Submissions

I will clear your form cache from our server. Could you please try it on your end? If the issue persists, please let us know.