Difference between Until Now and Thus Far

UNTIL NOW vs THUS FAR: ADVERB

Used in negative statement to describe a situation that has existed up to this point or up to the present time

So far, hitherto.
Used in negative statement to describe a situation that has existed up to this point or up to the present time

On purpose, Speak for, Speak to, All along, Young man, And how, But then, Up to now, Til now, As yet, Yet, Hitherto, Heretofore, So far, Thus far

Present, Previously, Ever, Here, Now, Made, Achieved, As yet, Til now, Up to now, Heretofore, Yet, Hitherto, Until now, So far

Call on, With that, Take to, End up, Cope with, Early on, Fall for, Talk about, On purpose, Speak to, And how, As yet, Yet, Hitherto, Heretofore

Still, Since, Presently, Present, Now, Historically, Here, Ever, Already, Made, Achieved, As yet, Heretofore, Yet, Hitherto

From ancient Greek times until now, this message has survived, and we now bring it to you in our Molon Labe Spartan Helm stencil.
Toyota are now unquestioned, Poppendieck provides a more solid foundation and gives greater credibility to agile methodologies that have until now remained controversial.
Until now my customers have been Australian, but I now have a potential client back home in USA.
Until now, local clinics have had to wait until the week prior to find out how many doses the state would send.
African republics, asserting that until now up to now, thirteen thousand men have landed in provincial ports.
Until now, the state has refused to do this until an apostasy order is granted from the Sharia court.
Now, um, Up until now we have dealt with two things that are very controversial.
However, whereas Concerta revenues have until now only been a possibility, now they are guaranteed.
Everything until now has been introduction; now comes the essential message.
Tagle until now Bishop of Imus, now transferre.

Thus, habeas counsel in the Tenth Circuit can rely on the standardsand rationales set forth thus far.
But thus far, the buzz for the new plate image has been far more positive.
Thus far, however, HAVEN has not done so and has thus failed to state a claim.
Data thus far demostrates that consumers are utilizing payday loans far in excess of products offered under the CFLL.
After all, too, the total exports thus far this season are far larger than was at one time expected.
Thus far, one important dimension that has received far less attention is motherhood and related gender norms.
Thus, the courts of Maine and Georgia can hardly be classed thus far as supporting this rule.
It was by far the best experience in customer service I have had thus far.
Spacecraft assembled and provisioned on the moon could escape its far lower gravity using far less energy, and thus, far less cost.
Minnesota legislature did not insurge very far thus far.