What date format is this string?

The string format should be: YYYY-MM-DDTHH:mm:ss. sssZ , where: YYYY-MM-DD – is the date: year-month-day. The character T is used as the delimiter.

What is date format YYYY?

Date format YYYY is not the same as yyyy with format function. With the simple date format (myDateTime. format(MM/dd/YYYY h:mm a)), the year increases from 2014 to 2015. This happens only from days 28 to 31 for December 2014. In summary, YYYY notation returns the week year.