8 Trending Days Calculator Businesses [2024]

Updated: January 18th, 2023
Start A Days Calculator Business

Algorithms remain a great resource in helping tools calculate or determine the day of the week. Besides, perpetual calendars do not require calculation by the user and are essential lookup tables.

With many applications requiring a days calculator, writing algorithms that would help developers calculate the dates can be a great business.

Looking for some examples of a days calculator business?

Interested in case studies of a successful days calculator business? Check out our full list of success stories.

1. Working days API documentation for Developers (v1.2)

Website traffic: 360K/month

2. Court Reporting Service

Learn more about starting a days calculator business:

Where to start?

-> How much does it cost to start a days calculator business?
-> Pros and cons of a days calculator business

Need inspiration?

-> Other days calculator business success stories
-> Marketing ideas for a days calculator business

Other resources

4. Business days calculator in India

Calculate the number of working days, work hours and holidays between two dates in India. Add/substract days/working days to a date.

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5. Business days calculator in the UK and Ireland

6. Days Calculator

Calculate Days - The Number of days Calculator calculates the number of days between dates

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7. Days Between Dates

Days Between Dates - Days Between Two Dates to calculate number of days between two dates. Dates are in Australian date format.