Calendars play a crucial role in organizing event schedules and monitoring significant dates. Learning how to incorporate a calendar into a PDF form can improve the functionality and interactivity of your PDF documents.
This blog will guide you through two ways to easily add a calendar to a PDF form using various tools. Whether creating a calendar from scratch or troubleshooting problems with a calendar in an Adobe Acrobat document, you’ll find what you need in the following sections of this blog.
Part 1. How to Add Calendar to PDF Form via UPDF?
UPDF is the easiest way to add calendars to PDF forms. This user-friendly tool provides all the essential features for creating fillable PDF forms, including text fields, checkboxes, radio buttons, and more. Its simplicity and ease of use make creating PDF forms effortless.
With its various additional features, UPDF is a budget-friendly option compared to other PDF tools on the market. This affordability ensures you can manage and edit PDFs without breaking the bank, giving you peace of mind about your expenses. Check out UPDF today by clicking the link below, and follow ourstep-by-step guide to add calendars to your PDF forms.
Windows • macOS • iOS • Android 100% secure
Step 1: Adding a Data Field
After opening your PDF in UPDF, click Prepare Form on the left. Next, click Add a Date Field and drag your mouse to draw the area where your calendar will appear.

Step 2: Customize Your Calendar
Right-click the box you just created and select Properties. From this menu, you can customize the appearance of your calendar.

Step 3: Testing Your Calendar
Lastly, click Preview at the top right and then click your date field. The calendar will appear, allowing you to select a date.

With UPDF, you can easily add a functional calendar to your PDF forms, making them interactive and convenient for users.
If you’d like to learn more about UPDF and its many features, read this in-depth review! Or, if you’d prefer— Check out the video below to learn why UPDF is the best PDF editor on the market.
Part 2. How to Add Calendar to Form with Adobe Acrobat?
Adobe Acrobat features a variety of tools for working with PDFs, including its calendar picker feature. If you can access Adobe Acrobat, this can be an effective way to add a calendar using our guide below. However, if you don’t own a license for Adobe, it’s better to find a more affordable option, as Adobe Acrobat is very expensive.
Step 1: Prepare Form
First, open your PDF in Adobe Acrobat, navigate to Tools, and click Prepare Form.

Step 2: Add a Date Field
Next, select the Date Field icon from the toolbar and draw the area where you’d like your calendar to appear.

Step 3: Customize Your Calendar
Right-click the box you just created and select Properties. From this menu, you can customize the appearance of your calendar.

Step 4: Test Your Calendar
Lastly, click Preview at the top right and then click your date field. The calendar will appear, allowing you to select a date.

While great for working with forms, Adobe Acrobat is expensive, limiting its appeal. If you don’t need all the advanced features It offers, you might want to explore more cost-effective but competitive tools like UPDF. You can check the price and upgrade here.
Also Read: UPDF vs Adobe Acrobat: Why Choose UPDF Over Acrobat
Part 3. What to Do if Dropdown Calendar is not There After Adding Date Field Using Adobe Acrobat
If you’ve added a date field to your PDF document using Adobe Acrobat but the dropdown calendar doesn’t appear, this can be for several reasons. Below, we’ll cover why this happens with several common causes and then offer solutions to fix the issue.
The most common problems found when using dropdown calendars in Adobe Acrobat are as follows:
- Field Type Error: The date field has not been appropriately configured in Adobe Acrobat when displaying your calendar.
- Preview Mode Issue: You must be in Preview Mode, or Adobe won’t display your calendar.
- Software Glitch: Occasionally, Adobe Acrobat encounters issues that can prevent the calendar from showing up correctly.
Solution 1: Using UPDF to Add the Calendar Picker
If you encounter problems with Adobe Acrobat and can't see the dropdown calendar, consider switching to the more reliable UPDF tool. It's an excellent alternative if you experience recurring issues with Adobe Acrobat. UPDF offers a more budget-friendly and user-friendly solution, ensuring a dependable experience and peace of mind.
Solution 2: Switch to Preview Mode in Adobe Acrobat
If you aren't in Preview mode while using Adobe Acrobat, the dropdown calendar might not appear. Refer to the image below to switch to Preview mode.

Ensuring the calendar picker is visible when interacting with your PDF form.
Solution 3: Repair Adobe Acrobat
If you still can’t see the dropdown calendar, a software bug may be the cause of the problem. To resolve any issues the program creates, you can attempt to repair Adobe Acrobat.
Step 1: Find Adobe Acrobat
Navigate to your device's Control Panel, select Programs and Features, locate Adobe Acrobat, right-click it, and choose Repair.
Step 2: Repairing Adobe Acrobat
Once the repair process begins, follow the on-screen prompts to repair the application. After the repair is complete, restart your computer and check if the calendar picker shows up in your PDF form.
Repairing Adobe Acrobat can fix any corrupted files or settings that might stop the calendar from showing up in your PDF form.
Final Words
In summary, if you want to add a calendar to a PDF form, UPDF is the most effective choice. It is affordable, features an intuitive interface, and offers many additional tools to enhance user experience. Unlike Adobe Acrobat, UPDF is easy to use, does not require expensive licenses, and provides all the necessary features for PDF forms.
Download UPDF today for a fast and reliable PDF document management experience, additional features, and a budget-friendly price.
Windows • macOS • iOS • Android 100% secure