Calendar system

The Calendar System is a recurring feature in the Final Fantasy series, enabling chronological categorization of historical events. Every world has its own, different calendar sytstem, resulting in several games sharing an calendar.

Final Fantasy Tactics
Final Fantasy Tactics uses the Old Valendian Calendar.

Final Fantasy Type-0
Orience uses the RG Calendar which retains the Gregorian Calendar System, but having months renamed after elements and dates written in Roman numerals.