Key features of a PDF calendar:

Portability: PDFs are easily shareable and viewable on various devices, including computers, tablets, and smartphones. The format ensures that the calendar looks the same regardless of the device used.
Printable: Users can print a PDF calendar for physical reference, making it convenient for those who prefer having a hard copy.
Security: PDFs can be password-protected or encrypted, providing a level of security for sensitive calendar information.
Interactivity: While basic PDFs are static, advanced PDF features can allow for interactive elements, such as clickable links or form fields.
Consistent Formatting: PDFs maintain consistent formatting, ensuring that the calendar's design and layout remain intact regardless of the software or device used to view it.

Creating a PDF calendar allows individuals or organizations to share schedules, timelines, or plans with others in a format that is easy to access and widely compatible. It's a popular choice for distributing printable calendars online or via email.