yes I tried, almost got it. one issue remaining is I have to show separate timeline for each event, not overlapped.  
Query:  
/source/ | rename "Date Event Began" AS start_date   | rename "Date of Restoration" AS end_date   | rename "Time Event Began" AS start_time   | rename "Time of Restoration" AS end_time   | eval _time = strptime(start_date." ".start_time, "%m/%d/%Y %H:%M") | eval end_time = strptime(end_date." ".end_time, "%m/%d/%Y %H:%M") | eval duration = (end_time - _time) * 1000  |stats count     by _time, Track, duration,  "job"  |  table _time  "Track"  "job"  duration 
 I want to skip   Track and display separate timeline for each job in that track hence avoiding overlap 
						
					
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