My apologies for not being specific, each Opener has a corresponding Closer, the Opener begins the "gaming day" and the Closer ends it. The column named Gaming Date is working off a 2 am to 1:59 am clock while the Modified column is working on a calendar date clock - midnight to 11:59. The modified column will allow me to be able to know when to say the actual date has changed but the gaming date has not. The 24 hrs I need to chart (it can be slightly more) is then clearer for me.
In this case the 31st I refer to is the first one in the Modified column you've highlighted, it's on the same gaming day as shown by the column to the left of it but now I can see that the table was opened at 9:21 PM on the 30th and "Closed" on the 31st at 1:42 am giving me approximately 4 hours of open time on the 30th.
On the next day of business, "gaming date 31st" we see 4 entries, 2 of each, this signifies the table was opened at 1:42 am to start the new day and was closed at 3:14 am (the first Closer for that date). It was re-opened at 9:02 pm and closed at 1:38 am on the 1st of Nov.
This gives me approximately 1 hr and 42 min the first time and 4 hrs the second for a total of 5 hrs and 42 min of open time on the 31st. I need the sheet to understand when an opener matched a closer and put the correct entry in the correct column then do the math.
I saw another post you answered about adding a row into a sheet automatically and since the export removes the one I have in the source data I think if I added a row just above each Asset # I could use a "Spill" to pull the correct entries for each column and then be able to total them properly. My ultimate goal will be to use this continuously going forward to chart the updates on a weekly or monthly basis.