Are they both OK, 'They usually go to the seaside FOR/ON vacation'?
I think the first one implies the purpose and the latter one points out the time. Am I right?

Thank you!!

Question

Are they both OK, 'They usually go to the seaside FOR/ON vacation'?
I think the first one implies the purpose and the latter one points out the time. Am I right?

Thank you!!

Answer

The former is correct. I'm not sure about the latter. I would use "during" instead of "on".