EasyCalendar is your perfect solution for creating totally customized Calendars Widgets on Unity GUI! If you are an artist, you can create and customize your calendars in totally CODELESS way! If you are a programmer, you can also extend EasyCalendar's functionalities by editing the scripts! Have it your way!
Some Features: Full Calendar Art Customization (Day Box, Current Day Box, Mouse-Over Day Box, Custom Font Selection, Calendar Background, Month Box, etc); Individual Element Size e Position Controls; Calendar Icon Full Customization; Totally Culture Adaptable! And much more… 
Some suggested uses: Serious Games; Applications Developed on Unity; Birthday Selector for RPGs; General Games that uses Calendars; Anything your imagination want!