To calculate the amount of time (days, hours, minutes, seconds) between times on two different dates, use the Time Duration Calculator. Use this calculator to add or subtract two or more …

Calculate the time difference between two times (even across midnight). Fast, simple, mobile-friendly. Also shows decimal hours and minutes.

This online interactive clock merges both analog and digital versions of clocks so that students can practice telling time with each. Both a fun teaching and learning tool, students and …

Enter the number of hours and/or minutes you wish to add to or subtract from the clock time. Click "Click to Calculate" button. The calculated clock time will appear. To clear the entry boxes click …

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Teach your class how to tell time with a virtual analog clock and a customizable digital clock. Start for free!

Find Math games to practice every skill.

Find how much time passes between two different given times (elapsed time or time intervals). The times are given with analog clocks. You can choose from many options below, such as …

Our time worksheets review the units of time (seconds vs minutes ...) and then focus on telling time: the reading of clocks. These worksheets also cover elapsed time (What time will it be in …

Learn how to tell the time with movable hour and minute hands, also demonstrates angles, fractions and percentages.