Jamieson, Fausset and Brown on Hosea 2:13

13. days of Baalim--the days consecrated to the Baals, or various images of Baal in different cities, whence the names Baal-gad, Baal-hermon, &c.

decked herself with ... earrings--rather, "nose-rings" (Is 3:21; Eze 16:12, Margin), with which harlots decked themselves to attract admirers: answering to the ornaments in which the Israelites decked themselves on the idols' feasts.

forgat me--worse than the nations which had never known God. Israel wilfully apostatized from Jehovah, whom she had known.