Reference for I Kings 6:37

בַּשָּׁנָה֙ הָֽרְבִיעִ֔ית יֻסַּ֖ד בֵּ֣ית יְהוָ֑ה בְּיֶ֖רַח זִֽו׃

In the fourth year was the foundation of the house of the LORD laid, in the month Ziv.