since this morning
Non posso trovarlo da stamattina.
I haven't been able to find it since this morning.
— Loveless (2017)
Dove sarà andato a finire da stamattina?
Where has he gone since this morning?
— Andrej Rublëv (1966)
La temperatura è scesa parecchio da stamattina.
The temperature has dropped considerably since this morning.
Ho mal di testa da stamattina e non mi passa.
I've had a headache since this morning and it won't go away.
Posso sedermi qui?— Ma certo, prego, il posto è libero da stamattina.
Can I sit here? — Of course, please, the seat has been free since this morning.
È strano che non stia rispondendo al telefono da stamattina.
It's strange that he hasn't answered his phone since this morning.
Sta piovendo forte da stamattina.
It's been raining heavily since this morning.
Da stamattina, ti comporti come se ci conoscessi da anni!
Since this morning, you've been acting as if you've known us for years!
— Kal Ho Naa Ho (2003)