It's "on Saturday." For days and dates, we use the preposition "on". In casual situations, many natives omit the preposition before the day of the week.
It's "on Thursday." For days and dates, we use the preposition "on". In casual situations, many natives omit the preposition before the day of the week.
It's "on Wednesday." For days and dates, we use the preposition "on". In casual situations, many natives omit the preposition before the day of the week.
It's "on Tuesday". For days and dates, we use the preposition "on". In casual situations, many natives omit the preposition before the day of the week.