Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

Can I write BC dates and dates after the year 9999 using ISO 8601?

April 26, 2017dates ISO write year

0

10 Posted

Can I write BC dates and dates after the year 9999 using ISO 8601?

1 Answer

0

10 Posted

Yes, you can. The year 1 BC must be written as 0000. The year 2 BC must be written as -0001, the year 3 BC must be written as -0002 etc. Years of more than 4 digits must be written with an initial plus sign. Thus the year AD 10000 must be written as +10000.