Use this **online time calculator** to add or subtract time to any date. You can add or subtract years, months, weeks, days, hours, minutes and seconds.

## How to Use Time Calculator?

To use this time calculator, you need to start with the initial date and time. For e.g.: if you set the initial date as 10/10/2017, the time calculator can be used to add or subtract date and time from this date.

You can see the below section for examples of time calculators.

## Time Calculator Examples

There are various day to day examples where you need to calculate the time to complete a task. Here are a few of the examples:

Example 1:

You have been given a deadline to complete a project in 5.5 hours. Let’s say the current time is 10:20. You can use this time calculator to calculate the time by which your project should be finished. For this, input the current time as 10:20 in the text box and put 5 in the hours box and 30 in the minutes box and press the calculate button to get the desired time.

Example 2:

You just chatted with one of your friends, who asked you to meet him in 25 days. To determine the exact date and time to meet him next, you can make use of this calculator. Put the current date in the initial date and 25 in the day’s text box and hit calculate. The calculator will do the job.

## Most Commonly Used Time Measurements

While minutes, hours and seconds are the most commonly used in our day-to-day life. We have provided you with other time measurements to come up with better results. Here is the table:

Time unit | Equals |
---|---|

Millennium | 1000 years |

Century | 100 years |

Decade | 10 years |

Year | 365 or 366 days ~52 weeks |

Month | ~4 weeks 28-31 days |

Week | 7 days 168 hours 10,080 min |

Day | 24 hours 1,440 min |

Hour | 60 minutes |

Minute | 60 seconds |

Second | Base unit |

#### Link to this Page

If you'd like to cite the online calculator on the page, you can use the following citation: Keith Woods, "*Time Calculator: Easily Add or Subtract Time*", Available at: https://robocalculator.com/calculator/time-calculator/ URL, Accessed Date: [ April 15, 2024 ]

#### References:

https://www.sciencedirect.com/topics/engineering/units-of-measurement

https://library.douglascollege.ca/learningcentre/measurements-and-units