Q. We Be’H are about to do a Vort (engagement) for our daughter, I heard that it should better not be done on the Seventh day of Tamuz is that correct?
A. Nitei Gavriel – Bein Hametzarim 1: 1. indeed quotes Sefer Chassidim (158 p. 162) that mentions that weddings should be avoided on the seventh day of the months of Elul, Shevat and Tamuz. He warns that it may cause the demise of one of the couple. Yet he also cites that some great Chassidic Rabbis got married on that day.
Horav Shlomo Miller’s Shlit’a opinion is that even the Sefer Chassidim mentions only celebrating a wedding and not just a Vort, that should be permitted.
Rabbi A. Bartfeld as revised by Horav Shlomo Miller, Horav Dovid Pam, Horav Aharon Miller and Horav Chanoch Ehrentreu and Horav Kalman Ochs Shlit’a