KnowraYear ZeroLinked fromLinked fromThe 13 pages that link to Year Zero, each with the reason it gives.All 13Broader topic 1Related 7Compared with 5Anno DominiCompared with: Anno Domini moves directly from 1 BC to AD 1, complicating arithmetic across the era boundary.Common EraCompared with: The Common Era sequence omits year zero, moving directly from 1 BCE to 1 CE.Dionysius ExiguusCompared with: Dionysius’s era has no year zero, complicating arithmetic across its beginning.Calendar eraCompared with: Many historical era systems pass directly from year 1 BCE to year 1 CE, without year zero.21st centuryCompared with: The absence of a year zero explains the offset between century labels and round-numbered years.