How to get first and last day of previous month (with timestamp) in SQL Server

I could not find the solution which gives first and last day of previous month with timestamp.

Here is the solution.

SELECT DATEADD(month, DATEDIFF(month, -1, getdate()) - 2, 0) as FirtDayPreviousMonthWithTimeStamp,
    DATEADD(ss, -1, DATEADD(month, DATEDIFF(month, 0, getdate()), 0)) as LastDayPreviousMonthWithTimeStamp

This will return the following if currentdate = '2012-7-31'

result: 2012-06-01 00:00:00.000 2012-06-30 23:59:59.000

This will return the following if currentdate = '2012-1-1'

result: 2011-12-01 00:00:00.000 2011-12-31 23:59:59.000

select DATEADD(MONTH, DATEDIFF(MONTH, 0, GETDATE())-1, 0) --First day of previous month
select DATEADD(MONTH, DATEDIFF(MONTH, -1, GETDATE())-1, -1) --Last Day of previous month

First Day Of Current Week.

select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),0),106)

Last Day Of Current Week.

select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),6),106)

First Day Of Last week.

select CONVERT(varchar,DATEADD(week,datediff(week,7,getdate()),0),106)

Last Day Of Last Week.

select CONVERT(varchar,dateadd(week,datediff(week,7,getdate()),6),106)

First Day Of Next Week.

select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),7),106)

Last Day Of Next Week.

select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),13),106)

First Day Of Current Month.

select CONVERT(varchar,dateadd(d,-(day(getdate()-1)),getdate()),106)

Last Day Of Current Month.

select CONVERT(varchar,dateadd(d,-(day(dateadd(m,1,getdate()))),dateadd(m,1,getdate())),106)

In this Example Works on Only date is 31. and remaining days are not.

First Day Of Last Month.

select CONVERT(varchar,dateadd(d,-(day(dateadd(m,-1,getdate()-2))),dateadd(m,-1,getdate()-1)),106)

Last Day Of Last Month.

select CONVERT(varchar,dateadd(d,-(day(getdate())),getdate()),106)

First Day Of Next Month.

select CONVERT(varchar,dateadd(d,-(day(dateadd(m,1,getdate()-1))),dateadd(m,1,getdate())),106)

Last Day Of Next Month.

select CONVERT(varchar,dateadd(d,-(day(dateadd(m,2,getdate()))),DATEADD(m,2,getdate())),106)

First Day Of Current Year.

select CONVERT(varchar,dateadd(year,datediff(year,0,getdate()),0),106)

Last Day Of Current Year.

select CONVERT(varchar,dateadd(ms,-2,dateadd(year,0,dateadd(year,datediff(year,0,getdate())+1,0))),106)

First Day of Last Year.

select CONVERT(varchar,dateadd(year,datediff(year,0,getdate())-1,0),106)

Last Day Of Last Year.

select CONVERT(varchar,dateadd(ms,-2,dateadd(year,0,dateadd(year,datediff(year,0,getdate()),0))),106)

First Day Of Next Year.

select CONVERT(varchar,dateadd(YEAR,DATEDIFF(year,0,getdate())+1,0),106)

Last Day Of Next Year.

select CONVERT(varchar,dateadd(ms,-2,dateadd(year,0,dateadd(year,datediff(year,0,getdate())+2,0))),106)