BackinGIT is a simple command line tool that provides an interactive menu that lists all the previous branches you've checked out in reverse chronological order, along with the date and time of that access.
Trust me: at some point in your career, you'll find yourself with 4-5 active branches you're working in, be midway through something, and have a co-worker pop up and drag you off down a rabbit hole across multiple branches for multiple days. When you finally are able to resume what you'd been working on last Thursday, you'll think to yourself,