〜を限りに

Meaning

Indicates taking a certain time as a cut-off, after which something ends or stops. Marks a boundary with a point in time as the last, as in 「今日を限りに」 (as of today onward).

Examples

本日を限りに、長年勤めたこの会社を退職します。 As of today, I am retiring from the company where I worked for many years.
当店は今月末を限りに、閉店させていただきます。 Our store will close at the end of this month.