from this day forward

Idioms and Phrases

Also, from this day on ; from now on . Beginning today and continuing forever, as in They promised to follow instructions from this day forward , or From now on I'll do what you say . The first rather formal expression for this concept dates from about 1500. The second was used in the past tense by Thomas Hobbes in Odyssey (1675): “From that day on, centaurs and men are foes.” The last version is the most common today.