How do find babysitters?

Hi,

We (my wife and I) are parents to a 3.5Yo, and we're really struggling to find a babysitter. Can I kindly ask for suggestions as to where to find one?

She does got to preschool/nursery four days a week (school hours). But I feel as if it would be an inappropriate question to ask if any staff do moonlight as babysitter/childminders..

Neither my wife nor I have family available to babysit, and our friends do not have kids of similar ages or inclination to have ours for a couple of hours. I'm not on social media either (outside Reddit).

However we just want to be able to get at least one date night a month, or some 'us time' without tip-toeing around our own home when daughter goes to bed.

Four years and only ever having two dates is leaving our relationship in a precarious situation. It's not the only reason, but its a huge factor.

EDIT: I accidentally a word in the thread title, sorry.