黎明 (lí míng): dawn; daybreak

At dawn, before the sky was fully bright, the street cleaners had already started sweeping the streets.

To watch the sunrise, we got up at 4 a.m. and waited in the dark for half an hour, finally welcoming the first ray of dawn.

He worked all night and didn't finish the report until dawn, then collapsed exhausted onto the bed.

The sky before dawn is especially dark, but soon after, the birds start singing.

They decided to set off at dawn so as to reach the summit before noon.