Parallel
Daniel (Theodotion) 10:2
Swete's Septuagint · Berean Standard Bible
ἐν ταῖς ἡμέραις ἐκείναις ἐγὼ Δανιὴλ ἤμην πενθῶν τρεῖς ἑβδομάδας ἡμερῶν·
In those days I, Daniel, was mourning for three full weeks.