Custom Word Calendar with Hijri and Gregorian Date

I need a custom calendar that incorporates both the Hijri and Gregorian date in a Word format. The calendar should allow the user to switch between Hijri and Gregorian dates seamlessly. The design should be unique and based on specific requirements that I will provide.

Key Requirements:
- Develop a custom calendar in Word format
- Include both Hijri and Gregorian dates
- Ability to seamlessly switch between the two date systems
- Design the calendar as per my specific requirements, with a unique touch

Ideal Skills and Experience:
- Proficiency in Word format customisation
- Strong knowledge of Hijri and Gregorian date systems
- Experience in developing custom calendars
- Ability to translate design requirements into a unique and functional calendar
- Strong communication skills to understand and implement specific design requirements