ms sql how to see active job current run time

1SELECT
2    ja.job_id,
3    j.name AS job_name,
4    ja.start_execution_date,      
5    ISNULL(last_executed_step_id,0)+1 AS current_executed_step_id,
6    Js.step_name
7FROM msdb.dbo.sysjobactivity ja 
8LEFT JOIN msdb.dbo.sysjobhistory jh 
9    ON ja.job_history_id = jh.instance_id
10JOIN msdb.dbo.sysjobs j 
11ON ja.job_id = j.job_id
12JOIN msdb.dbo.sysjobsteps js
13    ON ja.job_id = js.job_id
14    AND ISNULL(ja.last_executed_step_id,0)+1 = js.step_id
15WHERE ja.session_id = (SELECT TOP 1 session_id FROM msdb.dbo.syssessions ORDER BY agent_start_date DESC)
16AND start_execution_date is not null
17AND stop_execution_date is null;
18