Must I Wear Tefillin All day? December 12, 2016 – י״ב בכסלו תשע״ז by HyehudiAll agree that each moment of Tefillin is the fulfillment of a Torah commandment. But is it obligatory?Rabbi Brand says no.Some other articles:Guilt Feelings About Removing Tefillin Too FastWhat To Cry for on Tisha Be’avYou’re Not a Real Man if You Don’t Wear Leatherre: Removing Tefillin for Mussaf?The Chazon Ish: Pro Gold StandardPowered by YARPP.