Common Pattern Strings for java.text.SimpleDateFormat

Summary

These are some common pattern strings for java.text.SimpleDateFormat.

Name	Format String	Comments
RSS 2.0	EEE, dd MMM yyyy HH:mm:ss z	Example: Sun, 28 Feb 2021 16:30:36 GMT
Atom (ISO 8601)	yyyy-MM-dd'T'HH:mm:ssz	You need to strip out the "GMT": result.substring(0, 19) + result.substring(22, result.length()); See the W3C spec and Markus Kuhn's overview Example: 2021-02-28T16:30:36GMT

Online SimpleDateFormat Test

Pattern

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