The all-day DTA Technical meeting on Tuesday Jan 14 was attended by 32 people from 18 DTA firms.

I spent the whole day reading a novel.

I was home all day yesterday.

It rained on and off all day.

He kept at the job all day.

Meetings are to be held on the afternoon of July 15 (Tuesday), all day July 16 (Wednesday), and the morning of July 17 (Thursday).