Parallel
Nehemiah 6:15
Westminster Leningrad Codex · Berean Standard Bible
וַתִּשְׁלַם֙ הַֽחוֹמָ֔ה בְּעֶשְׂרִ֥ים וַחֲמִשָּׁ֖ה לֶאֱל֑וּל לַחֲמִשִּׁ֥ים וּשְׁנַ֖יִם יֽוֹם׃פ
So the wall was completed in fifty-two days, on the twenty-fifth of Elul (note: Elul is the sixth month of the Hebrew lunar calendar, usually occurring within the months of August and September.).