I did a quick internet search and found 28 time management theories, frameworks, and methodologies, some dating back to the 1700s.  This tells me the challenge of time and task management has been around for a long time.  Measured in US dollars, time management is estimated to be $10.5 billion industry.  I believe the number of methodologies in combination with the size of the industry speaks to a couple of points.  First, time and task management are very hard, and second, when a process works well, it is extremely valuable.

Here is a list and a short summary of some of the more popular time management theories, frameworks, and methodologies.

1. ABC Method (Alan Lakein): Tasks are ranked A (most important) to C (least important).
2. Attention Residue Theory: Switching tasks leaves mental residue that reduces performance.
3. Day Theming: Assigning themes (e.g., admin, creative, meetings) to specific days.
4. Deep Work (Cal Newport): Maximizing cognitive performance through distraction-free focus.
5. Eisenhower Matrix (Urgent vs. Important): Categorizes tasks into four quadrants to improve decision-making. I explore this idea in article four of this series.
6. Energy Management (Ultradian Rhythms): Aligning work with natural energy cycles instead of clock time. Separate from time management, this is an important self-awareness element.
7. Essentialism (Greg McKeown): Focus only on what is truly essential; eliminate the rest. I explore this idea in article four of this series.  I explore this idea in article four of this series.
8. Getting Things Done (GTD) (David Allen): Is a personal productivity methodology that teaches the process of capturing, clarifying, organizing, reflecting, and engaging with tasks.
9. Kanban: A time management technique for teams, which incorporates visual workflow management using boards and work-in-progress limits.
10. Law of Diminishing Returns: After a certain point, additional time spent yields decreasing value. I explore this idea in article five of this series.
11. Lean Time Management: Eliminates waste and focuses on value-adding activities.
12. Monotasking: Rejects multitasking in favor of single-task focus.
13. MoSCoW Method: Tasks classified as Must-have, Should-have, Could-have, and Won’t-have.
14. Objectives and Key Results (OKRs): Aligns time use with measurable outcomes.
15. Pareto Principle (80/20 Rule): 80% of results come from 20% of efforts—prioritize high-impact activities.
16. Parkinson’s Law states: “Work expands to fill the time available for its completion.”
    Emphasizes setting tighter deadlines to improve efficiency. I explore this idea in article five of this series.
17. Pomodoro Technique: 25-minute focused work sessions followed by short breaks.
18. Results-Only Work Environment (ROWE): A time management technique for teams, which focuses on output rather than hours worked.
19. Scrum (Adapted for Personal Productivity): Time-boxed work cycles (“sprints”) and regular reflection.
20. Seinfeld Strategy (“Don’t Break the Chain”): Consistency through daily task completion tracking.
21. SMART Goals: Can also be applied to personal time management through the application of Specific, Measurable, Achievable, Relevant, Time-bound objectives.
22. The Frederick Taylor method: A time management technique for teams, which focuses on task optimization, efficiency, and standardization to reduce wasted time.
23. Time Auditing: Tracking actual time usage to identify inefficiencies. I explore this idea in article two of this series.
24. Time Blocking: Scheduling specific blocks of time for focused activities.
25. Time Boxing: Allocating a fixed time period to a task regardless of completion.
26. Two-Minute Rule: If a task takes under two minutes, do it immediately. I explore this idea in article five of this series.
27. Value vs. Effort Matrix: Prioritizes tasks based on return on investment versus required effort.
28. Weekly Review: Regular reflection to recalibrate priorities and commitments. I explore this idea in article five of this series.

I would like to begin this series by defining several key terms’ the When of time management is a measurement of hours in the day; the What is the task management which encompass everything we do or should be doing but can’t otherwise find the time; which would including work, hobbies, sleep, and activities; and the How is the self-management of time and task management in other words how we choose to do things, for example, the quality and quantity of our work.  I should also mention that in some discussions, time, task, and self-management may be considered independent of each other; however, in my opinion, when considering when, what, and how to get things done, they can’t be separated.  These elements are the three legs of the same stool. 

For what it’s worth, I do not believe any one of the above-mentioned time management theories, frameworks, and methodologies is a one-size-fits-all solution to the never-ending time and task management balance.  That said, I believe there are thoughts and ideas within each of these theories that we can apply to each of our situations.

I would encourage anyone interested in regaining control of their time and the competing priorities in their lives to familiarize themselves with the above-mentioned methods and theories.  The idea isn’t to become an expert in any of them, but having a basic understanding of them helps lay the foundation for your own customized time management system.

I developed the readiness levels and grading system below as a reflection and evolution of my time management processes.

1. Bronze Level Readiness: Is achieved when one condition is met. 1) When a person achieves a basic understanding of time and task management skills, which can be accomplished by reading publications and/or watching videos.  
2. Silver Level Readiness: Is achieved when two conditions are met. 1) When a person familiarizes themselves with the fundamentals of time and task management systems.  2) Attends a workshop or presentation that allows them to interact and engage in a discussion more specific to their personal situation. 
3. Gold Level Readiness: Is achieved when three conditions are met. 1) When a person familiarizes themselves with the fundamentals of time and task management systems.  2) Attends a workshop or presentation that allows them to interact and engage in a discussion more specific to their personal situation.  3) When a person creates and puts their time and task management process into practice. 
4. Platinum Level Readiness: Is achieved when four conditions are met. 1) When a person familiarizes themselves with the fundamentals of time and task management systems.  2) Attends a workshop or presentation that allows them to interact and engage in a discussion more specific to their personal situation.  3) When a person creates and puts their time and task management process into practice.  4) When a person continuously assesses and modifies their time and task management system to ensure it meets their goals.
5. Grades: Questions are graded with either a Pass / Fail or range from 0.0 – 4.0, with four being a perfect grade. There will be a series of assessment questions at the end of each topic that you can use to grade your level of readiness.  It’s worth noting that although these topics and questions are universal, everyone’s situation and circumstances differ.  Therefore, you should feel comfortable modifying the questions and grading system to meet your specific situation.

RuReady Resources:

1. RuReady.fyi To Do List Worksheet

 Amazon Books:

1. The 7 Habits of Highly Effective People, by Stephen R. Covey, Jim Collins, and Sean Covey. This has long been one of my favorite books.  I have used many of the lessons taught in this book throughout my career.
2. How to Get Control of Your Time and Your Life, by Alan Lakein, is a concise, energizing guide that turns time‑management into something practical and genuinely empowering. It’s one of those rare books that leaves you feeling clearer, more focused, and ready to take action.
3. Deep Work: Rules for Focused Success in a Distracted World, by Cal Newport, is a sharp, motivating call to reclaim your attention and produce work that actually matters. It’s one of those rare books that doesn’t just inspire you, it gives you a blueprint for transforming how you think, create, and succeed.
4. Essentialism: The Disciplined Pursuit of Less, by Greg McKeown, is a refreshing reminder that doing less, on purpose, can lead to far greater impact. It’s a clear, uplifting guide that helps you cut through the noise and focus on what truly matters.
5. Getting Things Done: The Art of Stress-Free Productivity, by David Allen and James Fallows, is a game‑changer for anyone who wants clarity, focus, and a calmer approach to productivity. It transforms everyday chaos into a simple, reliable system that helps you breathe easier while getting more done. 

YouTube Resources:

1. The Eisenhower Matrix: How to manage your tasks with EISENHOWER, Andreas, founder of Eisenhower.me. I think this is a great 2-minute video explaining the concept and application of the Eisenhower Matrix.
2. What is Workflow | Explained in 2 min, Productivity Guy. Workflow Video
3. What is Process Improvement? Umar Shariff Gani. Every business has processes, but are they efficient?  This 2-minute video explains, in plain language, process improvement and how organizations optimize workflows to save time, reduce errors, and enhance customer experience.