No later than 係點解???

Hi,

係米唔遲過五月? <---------- You are 100% correct. Way to go!

Example:

Please tell me if you will go to Japan with me no later than May because
I will be so busy for my English test in that month.



Ciao

冇錯

No later than May

係唔遲過五月

Sure! sure !sure!
唔遲過五月咁解