What Are Business Days And How It Different From Calendar Days

What Are Business Days And How It Different From Calendar Days?

Business Intelligence 4 Mins Read April 12, 2021 Posted by Sourav Ganguly

Most of us usually get confused with what are business days and calendar days. At the time of international transactions, this confusion often creates a lot of misunderstandings. So, here I am to make you understand ?What are business days? And how it differs from calendar days??

Let?s start with the definition of business days. 

What Are Business Days?

What Are Business Days

So, here is the answer to your question, ?What is a business day??

A business day refers to any day in which it is allowed to conduct normal business operations. So, it is considered a popular unit of time measure. 

So, now the question is, ?What days are business days??

In western countries, generally, Monday through Friday from 9 a.am to 5 p.m., this excludes the weekends along with public holidays. However, different sectors or industries have different business days.

For example, the security industry considers any day when the financial market is open for trading is considered as a business day. 

A Better Understanding Of Business Days

As I have mentioned earlier, business days may vary on the basis of region or country. Different countries have different public holidays. So, it is obvious that business days will also differ on the basis of the country you are living in. 

Some Key Things To Remember When Considering ?What Are Business Days??

Here are some key takeaways of business days.

  • Consider the typical hours on a day when any normal business operation takes place. 
  • Normally a business day is Monday through Friday, and the timing is 9 a.m. to 5 p.m.
  • Business day excludes weekends and public holidays. 
  • On the basis of the country you are in, business days vary as different countries have different public holidays. 

What Is A Calendar Day?

Now when you get the knowledge of what are business days, now we will talk about calendar days. Each day that is present on the calendar starting from 12 midnight is considered a calendar day.

Calendar days include Saturdays, Sundays, and also public holidays. So, unlike business days, calendar days are the same in every country. Though due to different time zones, the date differs in different regions. 

How Business Days Different From Calendar Days?

From the above discussion, the concept of what are business days and calendar days are clear. Now let?s look into the differences between them.

Business Days

Calendar Days

Days that allow conducting normal business operations. Every day that is present on the calendar.
Exclude Saturdays, Sundays, and public holidays. Include Saturdays, Sundays, and public holidays. 
Different countries have different public holidays, so the business days also vary.  Every country has the same number of calendar days.
Generally Monday through Friday from 9 a.m. to 5 p.m. come under business days.  From 12 midnight every day is a calendar day.

Some Countries And What Are Business Days

As I have mentioned earlier, different countries have different working days due to public holidays. But do you know, apart from public days, many countries do not follow the Monday to Friday workweek, unlike the United States of America? Here we will talk about those countries. 

Religious factors also control the workweek or business days. 

  • Kuwait and some other middle east countries follow from Sunday to Thursday workweek. So, Fridays and Saturdays come under weekends.
  • Just like Kuwait, Jordan, Egypt, Syria, Libya, Qatar, and The UAE also follows the Friday and Saturday weekend type. 
  • As the Jewish Shabbat generally starts from Friday evening. In Israel, Saturdays and Sundays are actually business days. 
  • Yamen and Afganistan have weekends on Thursday and Friday. 
  • On the other hand, in Brunei, people actually work on Saturdays and Fridays; Sundays are considered as weekends. 
  • India, Iran, and Nepal have only one weekend, and that is Sunday. So, there Monday to Saturday are working days.


So, now you know what are business days and calendar days. We can call every business day a calendar day, but not all calendar days are business days. Exclude weekends and public holidays from calendar days, and you will get business days.

Different geographical locations have different business days, but the calendar days are similar in every location. Just the date differs due to different time zones. So, next time when you are going to do any international transaction or sending packages to different countries, make sure you are aware of their business days so that you can calculate the completion day accurately.

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