# Time Calculator

## What is Time Calculator?

This free online time calculator is made to check the difference or addition of the two given time stances. You can check the results for days, hours, minutes, and seconds.

## Why use online time calculator?

Time calculator is used to check the addition or subtraction of two different time intervals. This can be used to see the age difference in terms of days, hours, minutes, and seconds. Or can be used to see the time difference of two persons to finish the same work in two different time frames. This time calculator can be very useful for many things and can be used for fun activities for kids to learn.

## How to use time calculator?

This is very easy to use and simple, no need of any technical knowledge, one just need the exact values of the 2 different time intervals. Follow these steps and you will see the results.

Step 1. Enter the time interval values in the 1st input field. (Days, hours, minutes, seconds)

Step 2. Then choose the difference or additions

Step 3. Enter the 2nd time interval values in 2nd in put field. (Days, hours, minutes, seconds)

Step 4. Press calculate button to the results below.

## How does this calculator work?

This calculator takes the values from input fields and see the command if the command is subtraction, it subtracts the values or if it is additions, then sum up the values and show them separately.

Below is table of time intervals and their definitions.

Very useful information

 Unit Definition millennium 1,000 years century 100 years decade 10 years year (average) 365.242 days or 12 months common year 365 days or 12 months leap year 366 days or 12 months quarter 3 months month 28-31 days Jan, Mar, May, Jul, Aug, Oct, Dec  - 31 days Apr, Jun, Sep, Nov - 30 days Feb - 28 days for a common year and 29 days for a leap year week 7 days day 24 hours or 1,440 minutes or 86,400 seconds hour 60 minutes or 3,600 seconds minute 60 seconds second base unit millisecond 10-3 second microsecond 10-6 second nanosecond 10-9 second picosecond 10-12 second