Can a monk use his shadow step to literally travel from one shadow to another?

@JeremyECrawford Can a monk use his shadow step to literally travel from one shadow to another? What constitutes dim light?

— Adam (@AntogUnyielding) November 22, 2016

See the "Vision and Light" section (PH, 183) for a description of dim light. #DnD https://t.co/IyWBn3AbGL

— Jeremy Crawford (@JeremyECrawford) November 22, 2016