Please Note: This article is written for users of the following Microsoft Word versions: 97, 2000, 2002, and 2003. If you are using a later version (Word 2007 or later), this tip may not work for you. For a version of this tip written specifically for later versions of Word, click here: Determining Differences Between Dates.

Determining Differences Between Dates

Written by Allen Wyatt (last updated July 25, 2020)
This tip applies to Word 97, 2000, 2002, and 2003


When you are programming macros, you should know that dates are stored internally, within variables, as serial numbers. The serial number represents the number of days elapsed since a starting "base date," specifically since 1 January 100. (Yes, that's the year 100.) This means that you can perform math with the serial numbers, if desired. You can, for instance, find the number of days between two dates by simply subtracting the dates from each other.

If you want to get fancier in your date calculations, you can use the DateDiff function. This function allows you, for instance, to determine the number of weeks or months between two dates. In order to use the function to find this type of information, you would do as follows:

iNumWeeks = DateDiff("ww", dFirstDate, dSecondDate)
iNumMonths = DateDiff("m", dFirstDate, dSecondDate)

The first line determines the number of weeks between the two dates, and the second determines the number of months between them.

Note:

If you would like to know how to use the macros described on this page (or on any other page on the WordTips sites), I've prepared a special page that includes helpful information. Click here to open that special page in a new browser tab.

WordTips is your source for cost-effective Microsoft Word training. (Microsoft Word is the most popular word processing software in the world.) This tip (808) applies to Microsoft Word 97, 2000, 2002, and 2003. You can find a version of this tip for the ribbon interface of Word (Word 2007 and later) here: Determining Differences Between Dates.

Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He is president of Sharon Parq Associates, a computer and publishing services company. ...

MORE FROM ALLEN

AutoText Limits

Are there limits to AutoText entries in Word? If you are having problems saving entries, it may not be due to limits ...

Discover More

Superscripts in Custom Formats

When you create custom formats for your data, Excel provides quite a few ways you can make that data look just as you ...

Discover More

Protecting Hidden Text

Formatting some of your text as hidden can be a great help when you need to keep some things from being viewed or ...

Discover More

The First and Last Word on Word! Bestselling For Dummies author Dan Gookin puts his usual fun and friendly candor back to work to show you how to navigate Word 2019. Spend more time working and less time trying to figure it all out! Check out Word 2019 For Dummies today!

More WordTips (menu)

Determining if a Text Selection Exists

Macros are often designed to be run on just a selected portion of a document. It is a good idea to make sure that the ...

Discover More

Determining the Current Page Number

While your macro is processing the text in your document, you may need a way to determine the current page number where ...

Discover More

Controlling the Italic Text Attribute

If you are formatting your document by using a macro, you may need to make some of your text italics. You do that by ...

Discover More
Subscribe

FREE SERVICE: Get tips like this every week in WordTips, a free productivity newsletter. Enter your address and click "Subscribe."

View most recent newsletter.

Comments

If you would like to add an image to your comment (not an avatar, but an image to help in making the point of your comment), include the characters [{fig}] (all 7 characters, in the sequence shown) in your comment text. You’ll be prompted to upload your image when you submit the comment. Maximum image size is 6Mpixels. Images larger than 600px wide or 1000px tall will be reduced. Up to three images may be included in a comment. All images are subject to review. Commenting privileges may be curtailed if inappropriate images are posted.

What is seven less than 9?

There are currently no comments for this tip. (Be the first to leave your comment—just use the simple form above!)


This Site

Got a version of Word that uses the menu interface (Word 97, Word 2000, Word 2002, or Word 2003)? This site is for you! If you use a later version of Word, visit our WordTips site focusing on the ribbon interface.

Videos
Subscribe

FREE SERVICE: Get tips like this every week in WordTips, a free productivity newsletter. Enter your address and click "Subscribe."

(Your e-mail address is not shared with anyone, ever.)

View the most recent newsletter.