You submitted your documents thirty days past from when you actually needed to submit

[tufguy]

You needed to submit your documents with your insurance company on March tenth of 2021 but you actually submitted them on April tenth of 2021.

You submitted your documents thirty days past from when you needed to submit those. Is this a correct sentence?

 

[Charlie Bernstein]

You needed to submit your documents to your insurance company by March 10, 2021, but you [STRIKE]actually[/STRIKE] submitted them on April 10, 2021.

They were thirty days late.

Are these sentences correct?

They are now.