Era identifier	date falls before the year 1 in the Gregorian calendar, i.e. B.C. date falls before the year 1 in the Gregorian calendar, i.e. B.C. date falls after the year 1 in the Gregorian calendar, i.e. A.D. date falls after the year 1 in the Gregorian calendar, i.e. A.D.
Year	">	Month	">	Day	">	Time	">