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The week starts on different days between Usage/Rules Engine and MDA

  • March 9, 2016
  • 4 replies
  • 96 views

jeffrey_coleman
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I just came across an odd situation. I was loading some data into MDA (creating zeros so the time series charts look right) and selected "first day of last week" as the date value.

When I checked the file, the "first day of last week" according to the rules engine was 2/27/16, which is right because my Time Granularity under Usage Configuration is set so the week starts on Saturday. (Why Saturday? No idea... That's just what we did back when! :-)

But when I group the data by week in the MDA report I get the week starting on 2/29/16.

It's easy enough to fix in this use case, but it could through some people off so I thought it'd be worth highlighting.

Best answer by Sanchita

Hi ​@rrobinson Thank you for highlighting this!

 

I understand but few of the customers prefer to have the start of the week set to Sunday’s or anything else. Therefore we cannot have this set for all customers. We give an option to edit it here at the Application settings to best benefit based on which day you’d like to set your start of the week. 

 

 

4 replies

steve_davis
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  • Gainsight Employee ⭐️⭐️
  • May 27, 2016
Thanks for the heads up Jeff, I will look into this issue.

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  • Contributor ⭐️⭐️
  • April 8, 2026

We just ran into this issue today. How has this been an issue for 10 years?


rrobinson
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  • Contributor ⭐️⭐️⭐️⭐️
  • April 8, 2026

+1

 

Given ISO 8601 which considers Monday the first day of the week, can GS establish a consistent use of this standard?

 

This is creating significant pain points in basic reporting expectations where the report can look wrong but the data is correct, I am concerned many customers are not aware of this unexpected difference.

 

First day of the week in reporting

First day of the week in rules

First day of the week in data designers

 

Could these please be updated maintain the same standard?

 


Sanchita
Gainsight Employee ⭐️
  • Gainsight Community Moderator
  • Answer
  • April 16, 2026

Hi ​@rrobinson Thank you for highlighting this!

 

I understand but few of the customers prefer to have the start of the week set to Sunday’s or anything else. Therefore we cannot have this set for all customers. We give an option to edit it here at the Application settings to best benefit based on which day you’d like to set your start of the week.