since yesterday

Since yesterday, I'm not sure if I believe her or not.

Depuis hier, je ne sais pas si je la crois ou non.

— Anatomy of a Fall (2023)

I haven't seen Tom since yesterday.

Je n’ai pas vu Tom depuis hier.

No, they've only been missing since yesterday.

Non, ils ne sont portés disparus que depuis hier.

— All Quiet on the Western Front (2022)

We haven't seen them since yesterday.

Nous ne les avons pas vus depuis hier.

— Article 15 (2019)

It's been snowing in France since yesterday.

Il neige en France depuis hier.

It's been raining since yesterday.

Il pleut depuis hier.

I haven't eaten since yesterday.

Je n'ai pas mangé depuis hier.

I've had them since yesterday.

Je les ai depuis hier.

— Life Is Beautiful (1997)

I've had a headache since yesterday.

J’ai mal à la tête depuis hier.

I haven't eaten anything since yesterday morning.

Je n’ai rien mangé depuis hier matin.