Hoeveel werkdagen in een jaar?

Hoeveel werkdagen in een jaar? (Betekenis van de werkdag)

The concept of business days underpins an array of activities in our day-to-day lives. Yet, as simple as it may seem, the question of how many business days exist in a year is not just a matter of counting days on a calendar. The reason is that a year encompasses a fixed number of days but business days vary considering weekends, holidays, and the rhythm of work.

So, it doesn’t whether you’re a time-conscious entrepreneur, a meticulous project manager, or simply someone intrigued by the mechanics of time. This article delves into the heart of a question often asked: how many business days are there in a year? Read on to find out more information.

What Are Business Days?

Business days refer to the days of a week when most commercial activities, operations, and transactions take place. These are the days when companies, government agencies, and financial institutions are open for business and engage in their primary functions.

In the majority of places in the world, the standard workweek comprises five business days. These days are Monday up to Friday. During the business days, employees work regular shifts at their workplaces, and customers get served.

Business Day vs Working Day

The difference between a business day and a working day mostly lies in the perspective. A business day would be a business in a particular region describing its days of operations. On the other hand, a workday would be someone talking about the days when they’re working.

Business Day vs Calendar Day

While a business day is an operational day for workplaces, a calendar day encompasses all the days on a conventional calendar, including weekends (Saturdays and Sundays) and holidays. These are the 365 days of a year or 366 for leap years. Unlike business days, calendar days make no distinction between leisure days and working days.

The key differences between business days and calendar days are:

  • Weekends and holidays: While calendar days include weekends, business days typically exclude Saturdays and Sundays. These two days are recognized as non-working days for many industries. Moreover, holidays (both public and observed) vary by region and contribute to the disparity between these two types of days.
  • Operational activities: Business days are tailored to suit the operational needs of various sectors. They acknowledge the times when organizations are in full swing, catering to customers, processing orders, and conducting transactions. Calendar days, in contrast, encompass all days equally, regardless of whether businesses are active or dormant.
  • Time-sensitive matters: Time-sensitive matters like contracts, deadlines, or financial transactions contribute to the distinction between business and calendar days as well. If a contract requires a response within a certain number of business days, weekends and holidays may extend the deadline, compared to a stipulation associated with calendar days.

You may be wondering why you need to understand these key business and calendar day differences. Understanding the disparities can guide you when it comes to effective planning, accurate scheduling, and ensuring timely actions.

How Many Business Days Are There in a Year?

Now, to calculate the number of business days in a year, we consider the standard workweek of Monday to Friday and account for any holidays. For the purpose of this calculation, let’s assume a standard year of 365 days and not a leap year.

We’ll also exclude weekends (Saturdays and Sundays) as well as a few common public holidays (New Year’s Day, Independence Day, Thanksgiving, and Christmas). Please note that the actual holiday count may vary depending on your specific location and even your personal holiday calendar.

Here’s the calculation for the number of business days in a year:

  • Number of business days per week = 5 (Monday to Friday)
  • Number of weeks in a year = 52 (assuming a non-leap year)
  • Number of standard business days (5 days per week * 52 weeks) = 260

Subtracting common holidays (applies in the majority of countries worldwide):

  • New Year’s Day (1 day)
  • Independence Day (1 day)
  • Thanksgiving (1 day)
  • Christmas (1 day)

Total number of business days in a year = 260 – 4 = 256. And so, as per our simplified calculator, we have 256 business days in a year, including the current year 2023. It’s wise to bear in mind that this calculation may not be accurate for all regions because the number of holidays can vary significantly based on local customs and practices.

How Many Business Days Are There in a Month?

If there are 256 business days in a year, there are 21 business days in a month. The calculation here is simple too. You just divide 256 business days a year by 12 months (256 / 12 = 21.33).

How Many Business Hours Are There in a Year?

According to our previous calculation, there are 256 business days in a year. In most parts of the world, a business day has 8 hours. And so, 256 business days will have 256 * 8 = 2,048. This means that there are 2,048 business hours in a year.

Let’s break it down more.

Business hours in a month: 2,048 (business hours a year) / 12 (months a year) = 176.67 or roughly 177 business hours in a month.

Another question that people also ask is, “how many days is 48 business hours?” Well, assuming a standard workday of 8 hours (9:00 AM to 5:00 PM), the calculation would be as follows: 48 business hours / 8 hours per workday = 6 days.

If you’re wondering “how many days is 72 business hours,” we follow the same calculation: 72 business hours / 8 hours per workday = 9 days.

Why You Need to Understand Business Days

Understanding business days isn’t just a matter of marking off dates on a calendar. It’s a concept that holds great significance across various industries and activities and affects everything from financial planning to project management. Here’s why learning about business days is useful:

  • Efficient planning and scheduling: Knowing the exact number of business days in a given period helps you allocate time effectively and ensure tasks are completed on time. It doesn’t matter whether you’re setting project deadlines, organizing meetings, or making commitments. You’ll know when it’s a day to work, finish a task, or exercise a hobby.
  • Financial transactions: Financial transactions, from salary payments and invoicing to stock market trades, mostly operate based on business days. You have to know that it doesn’t impact all transactions, including app or online purchases and mobile money transfers that aren’t affected. However, keeping business days in mind is essential for the timely execution of significant financial activities to prevent delays.
  • Contractual agreements: Many contracts and agreements revolve around deadlines or actions to be taken within a specified number of business days. Failing to account for weekends and holidays could result in missed opportunities, breached contracts, and legal complications.
  • Supply chain and logistics: Industries involved in supply chains and logistics rely on efficient timing for the movement of goods and materials. Understanding business days ensures that production, shipping, and delivery schedules are aligned accurately and disruptions are minimal.
  • Market timing and trading: If you’re an investor or trader in financial markets, you must be acutely aware of business days to make timely decisions. Business days can influence market fluctuations, trading windows, and settlement periods. That means that they also impact your investment strategy and potential gains.
  • Customer service and support: For businesses providing customer service or support, knowing business days can help determine response times, service availability, and turnaround for inquiries. All these efforts improve customer satisfaction. What’s more, customers will know the days to expect their query or problem to be sorted.
  • Personal planning: Everyone has their own plan and beyond business, knowing business days aids in proper individual planning. Whether you need to book an appointment, get a hotel reservation, or manage your goals, accurate knowledge of business days contributes to effective time management.

There are many other reasons why it’s crucial to understand business days and how many business days there are in a year. All in all, they all lead to one thing: being able to take advantage of daily opportunities.

Business Day Calculators

Check out these popular business days calculators for free:

With such calculators for business days, you can insert the starting and end date and even choose to include or exclude weekends, Saturdays, or common holidays.


Now you have an answer for how many business days there are in a year. The next thing you need to do is utilize the knowledge in planning your days.

Doing so will help you enhance your productivity and get the best results out of each day. You won’t have to worry about deadlines, missed opportunities, and other time-sensitive matters that business days affect.

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