Yearly plans are renewed 1 year, monthly plans are renewed 1 month of your contract date / renewal date.
■Yearly plans contract dates : 1 year from contract date plus 1 day
ex) Contract date is March 10th 2021 : current contract date - March 11th, 2021 - March 10th, 2022
■Monthly plans contract dates : 1 month from contract date plus 1 day
ex) Contract date is March 10th 2021 : current contract date - March 11th, 2021 - April 10th, 2022