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How To Add Days To A Date In Excel: Step-By-Step Guide

Key Takeaway:

  • Working with dates in Excel can be made easy with the help of formulas that specifically deal with dates.
  • The EDATE function is a flexible option to add days to a date because it can account for changing number of days in a month and leap years.
  • The WORKDAY function is useful for adding business days to a date with customized settings that exclude weekends and holidays.

Do you want to calculate future dates in Excel? Adding days to a date is a snap with this step-by-step guide. Excelling in date calculations will help you stay on top of important deadlines and keep your data organized.

Understanding Date Formula Syntax

Start the date formula by selecting a cell and typing an equals sign (=).

Type the function name that corresponds to what you want to do with the date or time value.


Then enter an open parenthesis.

Enter either a cell reference or a constant value that represents a date or time value.

Close the parenthesis and press enter.

Formatting options are available for displaying dates and times in Excel.

Right-click on the cell and select “Format Cells.”

In the Format Cells dialog box, select “Date” from the Category options.

Choose how you want your date formatted from the drop-down list of Type options.

For example, choose “dd/mm/yyyy”.

Microsoft’s first version of Excel was released in September 1985 for Macs.

Windows-based PCs got Excel in November 1987 (“2.0”).

It now has a variety of customizable features.

We will discuss “Referencing Cells Containing Dates: Best Practices” to help you understand how to reference cells with dates effectively.

Referencing Cells Containing Dates: Best Practices

When dealing with dates in Excel, it’s good to follow best practices. Here’s a 5-step guide:

  1. Format date values correctly. Use one of the available formats.
  2. Reference cells instead of typing dates manually. Easier to update & fewer errors.
  3. Use absolute cell references when you need to reference a date often.
  4. Be aware of regional date settings. Could cause confusion when referencing cells.
  5. Don’t use text functions on cells with date values. Stick to Excel functions for dates.

It’s important to follow best practices for referencing cells with date values. This can help simplify your workflow and avoid errors.

For example, format cells correctly and use absolute cell references when necessary. Pay attention to regional settings too.

Here’s an example: A financial analyst was calculating average daily revenue of a product line over 3 years. She was getting incorrect results. It turned out she had made mistakes with some dates. Following best practices helped her avoid making similar mistakes in the future.

Now that we’ve covered best practices, let’s move onto adding days to a date in Excel.

How to Add Days to a Date

Excel is an essential tool for data and calculations. Have you ever tried to add days to a date, but gave up counting? No worries! In this section, I’ll teach you how to add days to a date in Excel.

Three ways to do it:

  1. EDATE function – flexible days addition.
  2. WORKDAY function – adding business days with custom settings.
  3. NETWORKDAYS function – adding working days with conditions.

By the end, you’ll know multiple ways to add days to a date in Excel easily and quickly.

The EDATE Function: Adding Days with Flexibility

Need to add days to a date in Excel? The EDATE function is the answer. Here’s the way to use it:

  1. Select the cell for the result, type =EDATE( then click on the cell with the starting date.
  2. Add a comma, then type the number of months you want to add or subtract (positive or negative).
  3. Add a comma and choose 0 or 1 as the third argument.
  4. Close the formula and press enter.

The EDATE function is great for leap years or other irregularities related to month lengths. Easily skip past complexities and focus on adding or subtracting time.

Need more granularity? The EDATE function has got you covered. It offers lots of options to make calculating easier.

Pro Tip: Double check your work and triple-check tricky calculations to minimize human error.

Now, let’s talk about the WORKDAY function—another way to manipulate dates within Excel. This function adds business days with customized settings.

The WORKDAY Function: Adding Business Days with Customized Settings

Step 1: Pick the cell in which you’d like to show the result.

Step 2: Input the formula =WORKDAY(start_date, days, [holidays]).

Step 3: Replace start_date with the starting date of your calculation.
Put in days for the number of business days you’d like to add.
Optionally, enter [holidays] with any holidays or non-working days that you’d like Excel to omit.

Step 4: Press enter and there it is! The resulting date will be shown in the chosen cell.

The WORKDAY Function also offers customization options. For example, you can adjust for weekends (default: Saturday and Sunday). Or you can redefine what counts as a weekend. This can come in handy when figuring out project schedules and deadlines based on business days rather than calendar days.

Plus, by filling [holidays] with specific holidays or non-working days, you can make sure Excel won’t factor them in. For instance, if Christmas Day isn’t a working day in your organization, adding it as a holiday will ensure it’s excluded from the time frame.

Don’t miss out! The WORKDAY Function can save you time and make complex calculations easier. Give it a try today!

Now let’s look into another useful Excel function – The NETWORKDAYS Function: Adding Working Days with Specific Conditions.

The NETWORKDAYS Function: Adding Working Days with Specific Conditions

To use the NETWORKDAYS function, choose a cell to display the result. Type in the formula: “=NETWORKDAYS(start_date,end_date,[holidays])“.

Start_date, end_date and holidays (optional) all represent different dates.

Press enter, and the result will be shown in the selected cell.

NETWORKDAYS is a useful tool for business owners who need to track attendance or project deadlines. It takes into account weekends and holiday dates when calculating the number of working days between two dates.

This function has helped many small business owners increase their profitability. One such example is how a small business owner managed to track employee attendance accurately using Excel and NETWORKDAYS, leading to higher profits and growth opportunities.

How to Subtract Days from a Date

Do you use Excel? Frustrating when dealing with days and dates? No worries! Excel has features to make it simpler. This guide is about subtracting days from a date. We’ll look at 3 scenarios, each using a different Excel function. EDATE helps subtract days from a date with ease. WORKDAY subtracts business days and customizes settings. NETWORKDAYS subtracts working days and sets conditions. Let’s dive in and make date manipulation easy!

The EDATE Function: Subtracting Days with Ease

The EDATE Function: Subtract Days from a Date with Ease!


  1. Select the cell you want the result to appear in.
  2. Type =EDATE( followed by the starting date.
  3. Add a comma, then enter the number of months or days you want to subtract. (Remember, use negative numbers for days.)
  4. Finish with a closing bracket and hit Enter.

You’re done! Plus, no more errors when working with large sets of data. Using functions like EDATE can greatly improve your productivity. Don’t miss out on this stress-free subtraction!

Next, let’s look at the WORKDAY function which allows customizing business and weekdays settings.

The WORKDAY Function: Subtracting Business Days with Customized Settings

The WORKDAY Function is great for project timelines and orders. It only counts weekdays, so weekends and holidays are excluded, which helps with accurate estimates. Plus, you can personalize it for your own work schedule, time zones, or country-specific holidays.

It has a sister function called NETWORKDAYS, which works similarly but handles weekends and holidays differently. So, you must know which one to use for each situation.

And don’t forget The NETWORKDAYS Function: Subtracting Working Days with Specific Conditions. It’s a powerful tool in Excel that subtracts working days while considering certain conditions.

The NETWORKDAYS Function: Subtracting Working Days with Specific Conditions

The NETWORKDAYS Function helps you subtract working days with specific conditions. It’s great for calculating business days and excluding non-working days from project timelines.

You can use the formula repeatedly throughout your spreadsheet. Just specify the start and end dates, as well as any holidays in the formula. Press enter to see the number of working days between the start and end dates.

Mastering this function can save time and reduce errors! Advanced users can explore Advanced Date Formulas in Excel as well. There are formulas like EDATE (to add months to a date), YEARFRAC (to calculate fractions of years), DAYS360 (to calculate numbers of days between dates assuming a 360-day year). Learning these techniques can make handling data sets with multiple dates much easier.

Advanced Date Formulas in Excel

Ever need to work out days, months, or years between two dates in Excel? If so, you’re in luck! Today we’ll look at advanced date formulas that can save you time. We’ll explore the YEARFRAC function for accurate year calculation. Plus, the EOMONTH function helps you quickly get the last day of a month. And the DATEDIF function gives you exact date differences. Let’s dive into these advanced date formulas and make your life easier!

The YEARFRAC Function: Calculating Years between Two Dates Accurately

YEARFRAC – a powerful Excel tool – accurately calculates years between two dates. Here are 6 main points to consider:

  1. It returns the difference, in years & fractions, between two dates.
  2. Takes two arguments – start_date & end_date.
  3. If no end_date is given, it uses today’s date.
  4. If end_date is earlier than start_date, result is negative.
  5. It uses actual days between dates, not just 365/366.
  6. If end_date is a leap day and start_date Feb 28 of non-leap year, assumes Feb has 28 days.

Using this function is great for practical applications, like calculating interest rates or employee length of employment. It’s accurate and easy to use once you understand its syntax and how it works with different scenarios. So give it a try!

Don’t forget to take advantage of YEARFRAC in Excel – it saves time and helps you make better decisions based on data analysis. Now let’s look at EOMONTH, which makes it easy to determine the last day of a month in Excel.

The EOMONTH Function: Retrieving the Last Day of a Month Easily

Retrieving the last day of a month in Excel can be easy with the EOMONTH function. This function calculates the last day of a month, based on a start date and the number of months ahead or behind. No need to manually count days or worry about leap years.

Check out this example table:

Start Date Months Ahead Last Day of Month
1/1/2021 0 1/31/2021
2/15/2021 -2 12/31/2020
11/20/2020 3 2/28/2021

Specifying a start date and months ahead or behind lets us easily calculate the last day of any month. This is especially helpful for financial calculations, such as payment due dates.

We can use numbers or fractions, such as .5, for months ahead or behind. This allows us to make precise calculations for specific deadlines or schedules.

To show the result in a specific date format, right-click on a cell and select ‘Format Cells.’ Then, choose ‘Date’ from the Category list and select your desired format.

The EOMONTH function saves time and eliminates errors when calculating the last day of a month. Use it to make your Excel formulas more efficient for financial planning and analysis.

The DATEDIF Function can also help us calculate differences between two dates precisely. It calculates the difference in terms of days, months, or years.

To use it, specify a start and end date, plus the unit of measurement. For example, use “d” for days, “m” for months, or “y” for years. Note that it doesn’t include the end date, so you may need to add 1 to your result.

DATEDIF is still available in newer Excel versions, though it’s no longer documented in the online Help system. Despite that, it’s still a reliable and useful date function for precise calculations.

In conclusion, using functions like EOMONTH and DATEDIF in Excel provides accurate and efficient date calculations. Incorporate them into your formulas and analysis to streamline financial planning and save time.

The DATEDIF Function: Calculating Differences between Two Dates Precisely

Calculating the difference between two dates is a common need in Excel. For this, we have the DATEDIF function. It helps to calculate time duration between two dates precisely.

To use it:

  1. Open an excel sheet with two dates.
  2. Click on an empty cell to get the result.
  3. Type =DATEDIF(” followed by the earlier date (in quotes). E.g., =DATEDIF(“1/1/21”,
  4. Put later date in quotes, followed by “, ” and the unit of time. E.g., =DATEDIF(“1/1/21″,”5/15/21″,”d”)
  5. Press enter; Excel will show the number of days between the dates.

Now more on this handy tool. DATEDIF stands for DATE DIFFERENCE, and works with recent versions of Excel. It’s not in the Functions menu, so users need to type it out.

However, there are conditions when DATEDIF formulas cause an error. These include:

  • Input dates as text instead of serial numbers.
  • Input date before Jan 1 for years or months.
  • Evaluate each month separately for months.
  • Interval crosses a leap year.

Some Facts About How to Add Days to a Date in Excel: Step-by-Step Guide:

  • ✅ Adding days to a date in Excel is a common task that can be done using the DATE function or by using the plus sign (+). (Source: Excel Easy)
  • ✅ The DATE function in Excel requires input for year, month, and day, and can be manipulated to add or subtract days from a date. (Source: Microsoft Support)
  • ✅ Using the plus sign (+) to add days to a date in Excel is a simple alternative to using the DATE function. (Source: Excel Jet)
  • ✅ When using the plus sign (+), the formula is “=date+numdays”, where “date” is the starting date and “numdays” is the number of days to add. (Source: Tech Republic)
  • ✅ It is important to format the output cell as a date to ensure the proper display of the result. (Source: Ablebits)

FAQs about How To Add Days To A Date In Excel: Step-By-Step Guide

How do I add days to a date in Excel?

To add days to a date in Excel, you need to use the DATE function along with the “+” operator. Below are the steps:

  1. Enter the original date in a cell.
  2. In a different cell, enter the number of days you want to add.
  3. Type “=” and select the cell with the original date.
  4. Enter “+” and then select the cell with the number of days to add.
  5. Press enter, and the new date will be calculated.