Hello. If I buy the mobilis pass for one day can it be used for the whole day or just from 12.00? Because it writing on RATP.fr site "For all travel passes (regardless of the duration), the validity period starts at 12 a.m. on the first day of the period and ends at 11:59 p.m. on the last day."?

Hello. If I buy the mobilis pass for one day, can it be used for the whole day or only from 12.00? I'm asking becouse on RTP.fr site writing" Fo r all travel passes ( regardless of the duration), the validity period starts at 12 a.m. on the first day of the period and ends at 11:59 p.m. on the last day"?
https://www.ratp.fr/en/titres-et-tarifs/mobilis