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pedromenu
Regular Visitor

Calculation of negative hours

I have a table of employees where I need to calculate the difference between predicted hours and actual hours. Taking into account that there can be negative hours (when the predicted time is greater than the actual time), how can I do a dax measurement to calculate this value without Power BI changing the time format?

In the case of the example, I would like to show: -19:33:57

 

Screenshot_5.jpg

1 ACCEPTED SOLUTION
Greg_Deckler
Community Champion
Community Champion

@pedromenu Generally you will need to convert those to seconds, add/subtract them and essentially convert them back more or less. And use a custom format string to preserve the format. Sample source data would help here to be more specific.

 

Look at the links below, they should get you what you need.
https://community.powerbi.com/t5/Quick-Measures-Gallery/Chelsie-Eiden-s-Duration/m-p/793639#M389
https://community.powerbi.com/t5/Community-Blog/Aggregating-Duration-Time/ba-p/22486
https://community.powerbi.com/t5/Quick-Measures-Gallery/Duration-to-Seconds-Converter/m-p/342279#M92



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Greg_Deckler
Community Champion
Community Champion

@pedromenu Generally you will need to convert those to seconds, add/subtract them and essentially convert them back more or less. And use a custom format string to preserve the format. Sample source data would help here to be more specific.

 

Look at the links below, they should get you what you need.
https://community.powerbi.com/t5/Quick-Measures-Gallery/Chelsie-Eiden-s-Duration/m-p/793639#M389
https://community.powerbi.com/t5/Community-Blog/Aggregating-Duration-Time/ba-p/22486
https://community.powerbi.com/t5/Quick-Measures-Gallery/Duration-to-Seconds-Converter/m-p/342279#M92



Follow on LinkedIn
@ me in replies or I'll lose your thread!!!
Instead of a Kudo, please vote for this idea
Become an expert!: Enterprise DNA
External Tools: MSHGQM
YouTube Channel!: Microsoft Hates Greg
Latest book!:
DAX For Humans

DAX is easy, CALCULATE makes DAX hard...

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