to date
prep. phr..prep. phr.. up until now or until a specific point in time.
prep. phr.. functioning as an adverbial phrase to indicate the temporal limit of an action or state from the past up to the present moment.
This is our most successful project to date.
The company has received over five hundred applications to date for the new position.
While several theories have been proposed, none of the research to date has provided a definitive explanation for the phenomenon.
to + date
usually appears at the end of a sentence or immediately after a noun phrase to modify it.
contrast with 'so far'; 'to date' is more formal and is frequently used in business reports and academic writing to summarize progress.
until to dateto datethe phrase 'to date' already includes the idea of 'until'; adding 'until' before it is redundant.