Date difference between today's date and a past date - issues with M language

[avininpowerbi]

Hi there ! 

I dont know where I am going wrong , Plz helpppp!  I am trying to get the following M code exceute , it is going ok for the first condition, but not working for the 2nd condition where Stage=To-Do. My " Due date" is from the system and I have selected only type date format. so now, I am wondering why the hell is throwing an Error in the 2nd conditon case .  

if [Stage]="Done" and [Estimated Time]>0 and [Recorded Time]>0 then [Estimated Time]-[Recorded Time] else if [Stage]="To-Do" and [Due]< DateTime.Date(DateTime.LocalNow() ) then DateTime.Date((DateTime.LocalNow() ) - [Due] ) else "null"

My main goal is to get the difference in hours from today's date mius Due date , but I am not getting days difference for now. 

I also tried

[v-cgao-msft · Accepted solution]

Hi @avininpowerbi ,

Please try:

if [Stage] = "Done" and [Estimated Time] > 0 and [Recorded Time] > 0 
then [Estimated Time] - [Recorded Time] 
else if [Stage] = "To-Do" and [Due] < DateTime.Date(DateTime.LocalNow()) 
then Duration.TotalDays(DateTime.LocalNow() - DateTime.From([Due])) 
else null

Best Regards,
Gao
Community Support Team

If there is any post helps, then please consider Accept it as the solution  to help the other members find it more quickly. If I misunderstand your needs or you still have problems on it, please feel free to let us know. Thanks a lot!

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[avininpowerbi]

and this is the error I get when I check : 

Operator=-
Left=5/25/2023 1:39:33 PM
Right=2/16/2023

you can see today's date is being shown as datetime format , and not the date format !

[avininpowerbi]

I used a slight varation Date.From like below : 

if [Stage]="Done" and [Estimated Time]>0 and [Recorded Time]>0 then [Estimated Time]-[Recorded Time] else if [Stage]="To-Do" and [Due]< Date.From(DateTime.LocalNow() ) then Date.From((DateTime.LocalNow() ) - [Due] ) else "null" 

but its hsoing me the same error as Operator=-
Left=5/25/2023 1:39:33 PM
Right=2/16/2023

[avininpowerbi]

and here is another one I tried ( Date.from)

if [Stage]="Done" and [Estimated Time]>0 and [Recorded Time]>0 then [Estimated Time]-[Recorded Time] else if [Stage]="To-Do" and [Due]< Date.From(DateTime.LocalNow() ) then Date.From((DateTime.LocalNow() ) - Date.From([Due]) ) else "null"

giving me this error : Operator=-
Left=5/25/2023 2:07:26 PM
Right=2/16/2023