This Evening, or 'This Evenin'', is a phrase used to refer to the evening of the current day. It is often used in conversation as a way to refer to the evening without having to specify the exact time. The term is also commonly used in song lyrics and titles, such as in the classic blues song 'This Evenin' Blues' by Lead Belly. The term is also used in crossword puzzles, where it is usually abbreviated to 'TONITE' (6 letters).