javajava-timeiso8601datetimeformatteroffsetdatetime

Are time zone designators- "T" and "Z" case sensitive in ISO8601 format?

I am using following ISO8601 format:

YYYY-MM-DDThh:mm:ssZ

And I used OffsetDateTime.parse() to parse this format. I was able to parse date-time by passing t (instead of T) and z (instead of Z) here.

So can anyone tell if it is allowed in ISO8601 or is it missed only in parsing logic?

Solution

  • So can anyone tell if it is allowed in ISO8601 or is it missed only in parsing logic?

    I don't think it's valid to produce them though I guess it's fine (though not great) that the parser allows it.

    The normative EBNF I have access to (8601-1 DIS Annex A) uses only uppercase latin letter for all designators, whether they be Z, T, W, R, P, Y, M, D, H, M, or S, and unlike (non-A) BNF, as far as I know EBNF terminals are case sensitive.