Credits

While we were developing date calculator, we use many helpful open source resources.

• Pikaday: lightweight datepicker.
• Purecss: lightweight css framework.
• 20 Web Icons by ntitov007: The icons we used purchased from ntitov007 user on graphicriver.
• ISO 8601: Wikipedia Data elements and interchange formats.
• ISO 8601 Date and time format ISO 8601
• Roman Numerals