What is the significance of National Letting Go of Stuff Day? Its simple; yet it is complicated. This day gives one a chance to have a starting point to begin their Letting Go of Stuff® journey. On yesterday, if one were to create a list of what one wants to “let go,” then next year – on National Letting Go of Stuff Day (which is March 22, 2012), one will be able to measure the progress made throughout the year. As a result, this day provides away to measure ones Letting Go of Stuff® progress from one year to the next.