SQL Query to find the last day of the month

Question

I need to find the last day of a month in the following format:

\"2013-05-31 00:00:00:000\"

Anybody please help out.

Answer 1

TO FIND 1ST and Last day of the Previous, Current and Next Month in Oracle SQL
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SELECT 
SYSDATE,
LAST_DAY(ADD_MONTHS(SYSDATE,-2))+1 FDPM,
LAST_DAY(ADD_MONTHS(SYSDATE,-1)) LDPM,
LAST_DAY(ADD_MONTHS(SYSDATE,-1))+1 FDCM,
LAST_DAY(SYSDATE)LDCM,
LAST_DAY(SYSDATE)+1 FDNM,
LAST_DAY(LAST_DAY(SYSDATE)+1) LDNM
FROM DUAL