Hour handling through parameter

hi,

I am using parameter to get the new hour as below

time=30
time1=1 hours
v_StartTime=`date +'%F %T'`
v_EndTime=`date +'%F %T' -d ''$time' minutes'`
v_EndTime1=`date +'%F %T' -d ''$time1'`
echo $v_StartTime
echo $v_EndTime
echo $v_EndTime1

but i am getting error as

test.ksh[2]: hours: not found [No such file or directory]
2014-05-06 14:46:35
2014-05-06 15:16:35
2014-05-06 00:00:00

---------- Post updated at 03:09 PM ---------- Previous update was at 02:48 PM ----------

time=30
time1='1 hours'
v_StartTime=`date +'%F %T'`
v_EndTime=`date +'%F %T' -d ''$time' minutes'`
v_EndTime1=`date +'%F %T' -d "$time1"`
echo $v_StartTime
echo $v_EndTime
echo $v_EndTime1

So, solved?