1216 ( MCCXVI ) was a leap year starting on Friday of the Julian calendar , the 1216th year of the Common Era (CE) and Anno Domini (AD) designations, the 216th year of the 2nd millennium , the 16th year of the 13th century , and the 7th year of the 1210s decade. As of the start of 1216, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.