Виза действует до этой даты включительно. Но находиться в Шенгене можете не более 90 дней в 180-дневном периоде.
Next to the labels «FROM», «DU» and «VOM» is given the first day you are permitted to enter the Schengen Area, whereas near the labels “UNTIL”, “AU”, and “BIS” is given the last day when you will have to leave the Schengen or the countries in which you are permitted to remain during your stay.
https://www.schengenvisainfo.com/visa-sticker/