What are the date formats available in SimpleDateFormat class?

Date and time formats are well described below

SimpleDateFormat (Java Platform SE 7) – Date and Time Patterns

There could be n Number of formats you can possibly make. ex – dd/MM/yyyy or YYYY-'W'ww-u or you can mix and match the letters to achieve your required pattern. Pattern letters are as follow.

• G – Era designator (AD)
• y – Year (1996; 96)
• Y – Week Year (2009; 09)
• M – Month in year (July; Jul; 07)
• w – Week in year (27)
• W – Week in month (2)
• D – Day in year (189)
• d – Day in month (10)
• F – Day of week in month (2)
• E – Day name in week (Tuesday; Tue)
• u – Day number of week (1 = Monday, …, 7 = Sunday)
• a – AM/PM marker
• H – Hour in day (0-23)
• k – Hour in day (1-24)
• K – Hour in am/pm (0-11)
• h – Hour in am/pm (1-12)
• m – Minute in hour (30)
• s – Second in minute (55)
• S – Millisecond (978)
• z – General time zone (Pacific Standard Time; PST; GMT-08:00)
• Z – RFC 822 time zone (-0800)
• X – ISO 8601 time zone (-08; -0800; -08:00)

To parse:

2000-01-23T04:56:07.000+0000

Use:
new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");