T-SQL Query to get SQL Server Start time and Uptime

Below query gives the SQL Server Start time and Up time details.
This option is available from SQL Server 2008 and above and requires "VIEW SERVER STATE" permission to execute the query

SELECT sqlserver_start_time AS [SQL Server Start Time]
   ,CAST (DATEDIFF(MINUTE,sqlserver_start_time,GETDATE())/60 AS VARCHAR) + ' Hours ' 
   +CAST (DATEDIFF(MINUTE,sqlserver_start_time,GETDATE())%60 AS VARCHAR) + ' Minutes' AS [Uptime]
FROM sys.dm_os_sys_info