Point taken. I always recommend and use the specific ISO8601 format YYYY-MM-DDThh:mm:ss.sssZ (or drop the ".sss" if not needed), and be 100% consistent a

Point taken. I always recommend and use the specific ISO8601 format YYYY-MM-DDThh:mm:ss.sssZ (or drop the ".sss" if not needed), and be 100% consistent about it. But you are right, I shouldn't refer to this as "use ISO8601" because it is only one of the numeous possible formats described by that spec.