The return date of the Black Clover manga is yet to be confirmed. Usually, such information is made public by the publisher or the manga creator through official channels. So, we just have to wait patiently for the official update.
Honestly, no one knows for sure when Black Clover manga will end. It all depends on how the story progresses and if the author feels it's the right time to bring it to a close.
There's no definite date yet for the return of the Black Clover manga. Usually, such information gets shared on manga-related websites or forums. So, check those regularly for updates.