1 (29 set 1 ano antes da era comum – 28 set 1 ano)

Descrição:

Note: there is no "year 0" in dating

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Wikipedia contributors. (2023, April 27). Year zero. In Wikipedia, The Free Encyclopedia. Retrieved 00:37, May 20, 2023, from https://en.wikipedia.org/w/index.php?title=Year_zero&oldid=1152020858

A year zero does not exist in the Anno Domini (AD) calendar year system commonly used to number years in the Gregorian calendar (nor in its predecessor, the Julian calendar); in this system, the year 1 BC is followed directly by year AD 1. However, there is a year zero in both the astronomical year numbering system (where it coincides with the Julian year 1 BC), and the ISO 8601:2004 system, the interchange standard for all calendar numbering systems (where year zero coincides with the Gregorian year 1 BC