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Planning time spent on specific activities

Time management is the process of planning and exercising conscious control of time spent on specific activities—especially to increase effectiveness, efficiency, and productivity. Time management involves demands relating to work, social life, family, hobbies, personal interests, and commitments. Using time effectively gives people more choices in managing activities. Time management may be aided by a range of skills, tools, and techniques, especially when accomplishing specific tasks, projects, and goals complying with a due date. Initially, the term time management encompassed only business and work activities, but eventually, the term broadened to include personal activities as well. A time management system is a designed combination of processes, tools, techniques, and methods. Time management is usually a necessity in any project management, as it determines the project completion time and scope.

Differences in the way a culture views time can affect the way their time is managed. For example, a linear time view is a way of conceiving time as flowing from one moment to the next in a linear fashion. This linear perception of time is predominant in America along with most Northern European countries, such as Germany, Switzerland, and England. People in these cultures tend to place a large value on productive time management and tend to avoid decisions or actions that would result in wasted time. A final cultural time view is a cyclical time view. In cyclical cultures, time is considered neither linear nor event related. Because days, months, years, seasons, and events happen in regular repetitive occurrences, time is viewed as cyclical. In this view, time is not seen as wasted because it will always come back later, hence there is an unlimited amount of it.

Excessive and chronic inability to manage time effectively may result from attention deficit hyperactivity disorder (ADHD). Diagnostic criteria include a sense of underachievement, difficulty getting organized, trouble getting started, trouble managing many simultaneous projects, and trouble with follow through.

These goals are recorded and may be broken down into a project, an action plan, or a simple task list. For individual tasks or for goals, an importance rating may be established, deadlines may be set, and priorities assigned. This process results in a plan with a task list, schedule, or calendar of activities. Authors may recommend daily, weekly, monthly, or other planning periods, associated with different scope of planning or review. This is done in various ways, as follows:

The Pareto principle is the idea that 80% of consequences come from 20% of causes. Applied to productivity, it means that 80% of results can be achieved by doing 20% of tasks. If productivity is the aim of time management, then these tasks should be prioritized higher.

The "Eisenhower Method" or "Eisenhower Principle" is a method that utilizes the principles of importance and urgency to organize priorities and workload. This method stems from a quote attributed to Dwight D. Eisenhower: "I have two kinds of problems, the urgent and the important. The urgent are not important, and the important are never urgent." Eisenhower did not claim this insight for his own, but attributed it to an (unnamed) "former college president." Using the Eisenhower Decision Principle, tasks are evaluated using the criteria important/unimportant and urgent/not urgent, and then placed in according quadrants in an Eisenhower Matrix (also known as an "Eisenhower Box" or "Eisenhower Decision Matrix"). Tasks in the quadrants are then handled as follows. Important/Urgent quadrant tasks are done immediately and personally, e. g. crises, deadlines, problems. Numerous digital equivalents are now available, including personal information management (PIM) applications and most PDAs. There are also several web based task list applications, many of which are free.

Task lists are often diarized and tiered. The simplest tiered system includes a general to do list (or task holding file) to record all the tasks the person needs to accomplish and a daily to do list which is created each day by transferring tasks from the general to do list. An alternative is to create a "not to do list", to avoid unnecessary tasks. An early advocate of "ABC" prioritization was Alan Lakein, in 1973. In his system "A" items were the most important ("A 1" the most important within that group), "B" next most important, "C" least important. A particular method of applying the ABC method assigns "A" to tasks to be done within a day, "B" a week, and "C" a month. To prioritize a daily task list, one either records the tasks in the order of highest priority, or assigns them a number after they are listed ("1" for highest priority, "2" for second highest priority, etc.) which indicates in which order to execute the tasks. The latter method is generally faster, allowing the tasks to be recorded more quickly. To avoid getting stuck in a wasteful pattern, the task system should also include regular (monthly, semi annual, and annual) planning and system evaluation sessions, to weed out inefficiencies and ensure the user is headed in the direction he or she truly desires. If some time is not regularly spent on achieving long range goals, the individual may get stuck in a perpetual holding pattern on short term plans, like staying at a particular job much longer than originally planned.

Many companies use time tracking software to track an employee's working time, billable hours, etc., e. g. law practice management software. Many software products for time management support multiple users. They allow the person to give tasks to other users and use the software for communication and to prioritize tasks. Task list applications may be thought of as lightweight personal information manager or project management software. Modern task list applications may have built in task hierarchy (tasks are composed of subtasks which again may contain subtasks), may support multiple methods of filtering and ordering the list of tasks, and may allow one to associate arbitrarily long notes for each task.

Time management systems often include a time clock or web based application used to track an employee's work hours. Time management systems give employers insights into their workforce, allowing them to see, plan and manage employees' time. Doing so allows employers to manage labor costs and increase productivity. A time management system automates processes, which eliminates paperwork and tedious tasks.

The Getting Things Done method, created by David Allen, is to finish small tasks immediately and for large tasks to be divided into smaller tasks to start completing now. The reasoning behind this is to avoid the information overload or "brain freeze" which is likely to occur when there are hundreds of tasks. The thrust of GTD is to encourage the user to get their tasks and ideas out and on paper and organized as quickly as possible so they are easy to manage and see.

Francesco Cirillo's "Pomodoro Technique" was originally conceived in the late 1980s and gradually refined until it was later defined in 1992. The technique is the namesake of a Pomodoro (Italian for tomato) shaped kitchen timer initially used by Cirillo during his time at university. The "Pomodoro" is described as the fundamental metric of time within the technique and is traditionally defined as being 30 minutes long, consisting of 25 minutes of work and 5 minutes of break time. Cirillo also recommends a longer break of 15 to 30 minutes after every four Pomodoros. Through experimentation involving various workgroups and mentoring activities, Cirillo determined the "ideal Pomodoro" to be 20–35 minutes long.

Time management is related to the following concepts. Project management: Time management can be considered to be a project management subset and is more commonly known as project planning and project scheduling. Time management has also been identified as one of the core functions identified in project management. Attention management relates to the management of cognitive resources, and in particular, the time that humans allocate their mind (and organize the minds of their employees) to conduct some activities. Timeblocking is a time management strategy that specifically advocates for allocating chunks of time to dedicated tasks in order to promote deeper focus and productivity.