How Long is a Business Day?

Many people are familiar with business days.

But how long is a business day, and how does it vary significantly according to the type of business, custom, culture, and legal system?

Key Points

  • Business days can vary depending on the definition of “working day”.
  • For some businesses, it could be a 9 a.m. to 5 p.m. schedule, while others may have a no-call, no-show policy and just come in once in a while. 
  • Business days run Monday through Friday.
  • Business days come down to the type of job and region. 

If you are looking for answers, here’s everything you need to know about business days.

You’ll also get to understand the role they have in the business world

The Business Day

Business days are official work days throughout the week.

While many people know them as weekdays, business days are also working days.

The official working “business” days are Monday through Friday in the United States.

The remaining days are weekends and public holidays.

Some cultures term Friday and Saturday as weekends, while others only have one day a week as a non-business day.

How long is a business day?

A business day is 24 hours set aside to accomplish some critical mission.

This phrase was first used by President Theodore Roosevelt, who used it for an 8-hour workday as an Act of Congress passed in April 1903.

What is the importance of a business day?

the business day how long?

Business days are essential in our lives. They are often the basis of time-specific legal contracts.

In a company, for instance, they are used to determine and track financial performance, make payments, and even invoice clients. 

On top of that, business days are essential when firms allow employees to work only on certain days. 

However, the time is not the same. It may vary depending on the region.

For instance, most businesses in the U.S are open from 9 a.m. to 5 p.m.

On the other side, businesses are open at different times in countries such as the United Kingdom. Some open on Saturdays.

Business days are vital for communicating with customers and planning for the future. This ensures that customers are getting the best services ever. Lastly, business days are essential for tax purposes. 

Businesses in some countries like the U.S.A usually file taxes on business days. So, as much as the dates vary, they are always business days. Also, companies make payments to the government on business days. 

In financial markets, business days are usually how contract times are settled. This is because contracts have a certain window of business days to close a deal.

The same applies to shipping businesses. For instance, they use the business days to denote shipping time if you’ve ordered a package.

So if you order on Friday and it says two working days, it will arrive on Wednesday and not Monday because Saturday and Sunday are weekends.

How long is one (1) business day?

Typically, business days are known as Monday to Friday and exclude public holidays.

For instance, if we have business days and a holiday from Monday to Friday, the five remaining days will be counted as business days minus the holiday.

For this reason, it is wise to conclude that one business day is 8 hours long within the week (Monday to Friday). But this does not apply everywhere. As mentioned earlier, it might vary depending on the region. 

Some businesses may have different hours, while some can be shorter or longer. 

However, it comes down to the nature of the job. A good example is a person who starts working in the evening. 

This person’s business day may extend to the next day. For example, if it is Tuesday, one business day would be the coming Wednesday. Generally, it all depends on the needs of the job.

How long is a business day in days?

Many business owners don’t know how long a real business day is. While this is vital for the company’s operation, it can be hard to adjust from a normal work week to a compressed work schedule. 

A business day in a day is the allotted time for a company to become better informed about something or increase its competitiveness.

In the U.S, business days are Monday to Friday. Meaning that there’s no work on Saturday and Sunday. 

So, a business day is when you start working up to the competition time. It can be from Monday to Tuesday as long as it adds to the business day’s specific hours. This video explains more.

Is 1 business day the next day?

As mentioned before, a business day refers to the typical hours in a day when normal business operations take place. 

A business day is usually Monday through Friday, from 9 a.m. to 5 p.m., excluding holidays. One business day isn’t a working day, meaning one business day is the next.

How long is 1 or 2 business days?

If there is no holiday, you can conclude that 1-2 business days is one to two consecutive days from Monday to Friday. So, for instance, if it is Monday, one to two business days will be Tuesday or Wednesday of the same week.

How long is 2 or 3 business days?

Another common question among workers is the length of 2 to 3 business days. Well. 2-3 business days is two to three consecutive days if there’s no holiday.

However, it is counted from Monday to Friday. So, for example, if it’s Tuesday, two to three business days from Tuesday would be between Thursday and Friday of that week. 

How long is 5 business days?

Calculating the length of five business days shouldn’t be a hassle. What you need to do is to count five consecutive days that fall between Monday and not Friday. However, it doesn’t include holidays.

A good example is if it’s Monday, and there are holidays, five business days would be from Monday to Monday of the upcoming week. Remember that Saturday and Sunday are weekends.

How many actual days is 7 business days?

To calculate the actual days in 7 business days, count seven consecutive days that fall between Monday and Friday.

Don’t include holidays. So, seven business days from Tuesday will be the following Thursday.

What “actual” days and “day” count conventions do financial and other institutions use?

“Time waits for no man” (Digital Art, MoneyRyde)

“Actual” days are a financial/accounting simplification to make recurring payments. 

Furthermore, they are consistent monthly regardless of the “actual” number of business or calendar days in a given time.

“Actual” day is a common term in financial institutions to mean “actual days.” (days calculated under a predetermined “day count convention).

The major types of conventions are as follows:

  • Actual/actual
  • Actual/360
  • Actual/365
  • 30/360
  • 30/365


According to the Actual/actual technique, which counts the actual number of days in each month and year, you must count the accrual period from the effective date to the termination date day by day.

Additionally, you must calculate the coupon period from one specific coupon day to the next. A good example is the U.S. Treasury bonds which often employ this approach.

The actual/actual method calculates the daily interest using the “actual” number of days in the year. Moreover, it multiplies it by the “actual” number of days in each period.


In the Actual/360 method, the actual days for the accrual period are used from the effective to the terminating date. 

On the contrary, the number of days in the year is assumed to be 360. It calculates the daily interest using a 360-day year and then multiplies it by the actual number of days in each period. 

Money-market instruments commonly use this method.


Actual/365 is among the less common examples of the actual/actual method. 

The Actual/365 basis divides the actual number of accrual days by 365. It calculates the daily interest using 365 and then multiplies it by the actual number of days in each period.


The 30/360 basis determines the denominator of the days in the year, as 360, composed of 12(30)-day months.

If an accrual period’s start or end day falls on the 31st month, the date will be on the 30th of that month. Corporate bonds normally use a 30/360 basis.

Generally, it calculates the daily interest using a 360-day year and then multiplies that by 30.


This convention assumes all months to be 30 days in length and each year to be 365 days. 

30/365 calculates the daily interest using a 365-day year and then multiplies that by 30 (standardized month).

How many business days are in one year?

According to the Gregorian calendar, there are 365 days in a year minus leap years and 260 working days in a year. 

Business days vary annually and depend on whether the start or end date of the year falls on a weekend. 

Also, the Gregorian calendar is a standard calendar used by most cultures in the world. 

However, there’s an exception for leap years. Here, it eliminates a day every four years.

Furthermore, some cultures still use their calendar. On the same note, some businesses have their calendar around the fiscal year to determine how the companies performed the previous year.

Generally, most workers follow the 365-day annual calendar.

The final say

Business days play a vital role in our lives. Furthermore, business days make us understand how the business world keeps time. 

They help in tracking contract times, closing deals, and tracking deliveries. But how long is a business day? A business day is anywhere between Monday and Friday. 

However, it all depends on the region and the type of job. For example, a business day can start in the morning for one person and the evening for another.

Since business days aid in keeping time, you need to understand how the entrepreneurial world works. 

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