How long does pledging a fraternity last?

How long does pledging a fraternity last pledging a fraternity typically lasts for a semester which is about 16 weeks during this time potential members participate in various activities and rituals to demonstrate their commitment to the fraternity and its values these can include community service social events and studying the organization’s history and traditions

At the end of The Pledge period members are either initiated into the fraternity or released from their pledge status Foreign

source