Answer:
el lunes ( on Monday )
el martes (on Tuesdays )
el miércoles (on Wednesdays)
los jueves (on Thursday)
el viernes (on Friday )
Step-by-step explanation:
the phrase "el" means "on"
if you don't want the Spanish spellings for the days of the week you could say
el Monday - on Monday
el Tuesday -on Tuesday
el Wednesdays - on Wednesday
el Thursday - Thursday
el Friday - on Friday
hope this help y'all