Operations by hour

[Anonymous]

Hi everyone ! I'm having some problems trying to calculate how many cars are in different hours. There is a problem of a parking lot. 
I have the next data: 

CheckIn	Checkout
25/08/2021 07:00	25/08/2021 07:34
25/08/2021 07:47	25/08/2021 08:48
25/08/2021 08:47	25/08/2021 08:59
25/08/2021 08:47	25/08/2021 08:59
25/08/2021 08:50	25/08/2021 09:32
25/08/2021 08:53	25/08/2021 11:32
25/08/2021 09:01	25/08/2021 11:32

As you can see there is the CheckIn and the CheckOut. But I DONT WANT THE NEXT: 

With CheckIn

Hour	Operations
7	2
8	4
9	1

With CheckOut

Hour	Operations
7	1
8	3
9	1
11	2

WHAT I WANT IS TO CALCULATE HOW MANY CARS ARE IN THE PARKING LOT. EACH ROW IS A CAR, WHAT I WANT IS THE NEXT: 

Hour	Cars
7	2
8	5
9	2
10	2
11	2

At 7 am there was 1 car, at 8 am there were 5 cars: 1 from 7 am (the CheckOut is at 😎 and 4 with the CheckIn at 8. 

Please, help 

Thank you guys  

[parry2k · Accepted solution]

@Anonymous you need to create a table for hours to achieve the goal, you can add this table using following DAX:

Hours = SELECTCOLUMNS ( GENERATESERIES ( 0, 23, 1 ), "Hour", [Value] )

Add a new measure to count cars by the hour:

Count Cars = 
VAR __hour = MAX ( Hours[Hour] )
RETURN 
CALCULATE (
    COUNTROWS ( Parking ),
   __hour >= HOUR ( Parking[CheckIn] ),
   __hour <= HOUR ( Parking[Checkout] )
)

To visualize, use a table visual, add Hour columns from Hour table and Count Rows measure and you will get the following result:

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[Anonymous]

Thank you. It worked as I expected