She usually bakes cake on Saturdays.

她通常在星期六烤蛋糕。

youdao

Here, it is only on Saturdays that we have no school.

在这里，我们只有在星期六才不用上学。

youdao

We do our shopping on Saturdays.

我们星期六购物。

《牛津词典》

"We have 33 company members. We're from different schools but we just meet on Saturdays from 4:30 to 6:30, it's an after school activity,"

VOA: standard.2009.12.04

On Saturdays and Sundays, Glasper's mother performed in church.

NPR: Young Pianist Ready to Be Jazz Ambassador

There's John Goodman as the Vietnam veteran whose observance to the Jewish sabbath prevents him from bowling on Saturdays. ("I don't roll on Shabbos" he bellows from the lanes.) John Turturro is the rival bowler named Jesus, who also happens to be a convicted sex offender.

CNN: 'The Big Lebowski' 15 years later

It's on a residential street in the island and it's now opening six days a week instead of just on Saturdays, just to be extra helpful to local residents, and to squeeze up recycling rates that extra percent.

BBC