朝からずっと

since this morning

→ 朝
phrase Rare #26,029
since this morning Indicates that something has continued without interruption from the morning until now or another stated time.
JA: 朝からずっと雨が降っています。
EN: It has been raining since this morning.

妹は朝からずっと編み物をしている

My younger sister has been knitting since this morning.

朝からずっとこうしてる

I've been like this since this morning.

— ベルリン・天使の詩 (1987)

お姉ちゃんなら朝からずっと自分の部屋で勉強してる

If you mean my older sister, she’s been studying in her room all morning.

朝からずっと捜してたのよ

I've been looking for it all morning.

彼は彼女が朝からずっと忙しかったのを知っていた

He knew that she had been busy all morning.

朝からずっとお腹が空いてる

I've been hungry since this morning.

妹は朝からずっと自分の部屋で勉強をしています

My younger sister has been studying in her room since this morning.

朝からずっと並んでるんだ

I've been waiting in line since this morning.