I am also a total loser with time management and a bad procrastinator. I like the Getting Things Done method. It's like kanban but with a couple other concepts. Simple to implement. The basic idea is that everything you've got to do gets written down, then you move tasks over one at a time. You can use reminders in the phone or apps called asana or trello. The key is to experiment and find simple, path of least resistance methods that work FOR YOU. For me, schedules don't work but for others they do. Try and approach it with curiosity.