60-30-10 Rule

A calendar management technique that deliberately schedules empty time slots between meetings and tasks to absorb overruns, handle transitions, prevent back-to-back exhaustion, and create space for unexpected work.

A scheduling method of blocking specific time periods on your calendar for designated tasks or types of work, treating focus time with the same importance as meetings.

A scheduling best practice that limits meetings to 25 or 50 minutes instead of the traditional 30 or 60 minutes, providing built-in buffer time for transitions, breaks, and recovery between consecutive meetings.

Time management guideline suggesting never scheduling more than 80% of your available work hours, leaving 20% for unexpected tasks, meeting overruns, breaks, and flexibility to handle the unpredictable.

A time estimation guideline suggesting you should double or triple your initial estimate for complex projects to account for unforeseen delays, interruptions, and complications, directly addressing the planning fallacy and Hofstadter's Law.

Project scheduling algorithm that identifies the longest sequence of dependent activities and calculates the minimum time required to complete a project, essential for effective time tracking and project management.