At this moment and Today

Today and at this moment are semantically related in present topic. In some cases you can use "Today" instead the phrase "At this moment" as an adverb or an adjective, when it comes to topics like presently, existing.

Today adverb - At the present time.

At this moment and today are semantically related in present topic. You can use "At this moment" instead the word "Today" as an adverb or an adjective, if it concerns topics such as presently, existing.