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Published resources
Featured topic
Math & Calculations
7 min read
Guides Library
Find focused, easy-to-follow guides that solve the problem and point people to the right ClockUnit tool.
How to Calculate Age from Date of Birth
Learn how age is calculated from a date of birth — manually, in Excel, or instantly using our free Age Calculator. Get exact results in years, months, days, weeks, and hours.
How to Calculate Age in Days, Weeks, and Months
Learn how to calculate your exact age in total days, weeks, and months from your date of birth — manually, in Excel, and instantly using our free Age Calculator.
Pomodoro Technique for Students
Learn how to use the Pomodoro Technique for studying — reduce procrastination, improve focus, and study smarter with timed 25-minute sessions and structured breaks.
What to Do During Pomodoro Breaks
Not sure what to do during your Pomodoro breaks? This guide covers the best 5-minute and 15–30 minute break activities — backed by research — so your breaks actually recharge you instead of derailing your focus.
Pomodoro vs. Time Blocking: Which Is Better?
Pomodoro and time blocking are two of the most popular productivity methods — but they solve different problems. This guide breaks down how each works, where each wins, where each fails, and how to choose (or combine) them based on your actual work.
Common Pomodoro Mistakes (and How to Fix Them)
Most people who try the Pomodoro Technique and give up aren't failing because the method doesn't work — they're making a handful of fixable mistakes. This guide covers the most common Pomodoro errors and exactly how to correct each one.