明るいうちに

while it's still light

→ 明るい
phrase Rare #45,362
while it's still light Used for doing something before it gets dark.
JA: 明るいうちに買い物に行きます。
EN: I'll go shopping while it's still light.

今度は明るいうちに玄関から来ます

Next time, I’ll come in through the front door while it’s still light out.

— The Wind Rises (2013)

早く行かないと明るいうちに着かないぞ。

If we don't leave soon, we won't get there before dark.

久しぶりに外が明るいうちに仕事終わった。

For the first time in ages, I finished work while it was still light out.

彼は明るいうちに帰宅した。

He got home while it was still light out.