Break of day and Break of dawn

Break of day noun - The first light of day.

Break of dawn and break of day are semantically related in dawn topic. In some cases you can use "Break of dawn" instead a noun phrase "Break of day", when it comes to topics like morning.

Break of day and break of dawn are semantically related in dawn topic. You can use "Break of day" instead a noun "Break of dawn", if it concerns topics such as morning.