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How to import dates in to tables from CSV


JC Mat
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Hello, I’m trying to import records to a table with a .csv UTF-8 but the dates are not working fine, on my file had

dd-mm-yyyy

 

 

 

On the tool show this:

 

When the day is less than or equal to 12, it swaps the day and month, but if the day is greater than 12, it keeps it correct. When processed, dates like March 1, or March 12 end up being converted into January 3  and December 3.

 

How should dates be written to prevent this from happening?

Best answer by Troy Tessalone

@JC Mat 

ISO (International Organization for Standardization) date and datetime formats are standardized representations commonly used in APIs, databases, and programming. 

 

ISO Formats for date and datetime:

  • YYYY-MM-DD
  • YYYY-MM-DDTHH:MM:SSZ
  • YYYY-MM-DDTHH:MM:SS±HH:MM
  • YYYY-MM-DDTHH:MM:SS.sssZ

 

 

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7 replies

Troy Tessalone
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Hi ​@JC Mat 

Before importing the CSV you may need to first convert the DateTime format in the CSV to be YYYY-MM-DD.


JC Mat
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  • 6 replies
  • March 27, 2025

it works with YYYY-MM-DD but with a day before the date, now for the 2025-03-01 save as 2025-02-28 and so on.

 


Troy Tessalone
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@JC Mat 
That may be related to the Time Zone settings on the field.


JC Mat
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  • 6 replies
  • March 31, 2025

With this format works fine

YYYY-MM-DD-00:00

like 2025-03-22-06:00

 


Troy Tessalone
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  • Zapier Expert
  • 31650 replies
  • Answer
  • March 31, 2025

@JC Mat 

ISO (International Organization for Standardization) date and datetime formats are standardized representations commonly used in APIs, databases, and programming. 

 

ISO Formats for date and datetime:

  • YYYY-MM-DD
  • YYYY-MM-DDTHH:MM:SSZ
  • YYYY-MM-DDTHH:MM:SS±HH:MM
  • YYYY-MM-DDTHH:MM:SS.sssZ

 

 


JC Mat
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  • Beginner
  • 6 replies
  • April 14, 2025

Thanks a lot, works with:
2025-03-01-06:00

YYYY-MM-DD-06:00


ken.a
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  • Zapier Staff
  • 6606 replies
  • April 15, 2025

That’s awesome ​@JC Mat! A huge thanks to Troy for pointing you in the right direction!

If you have any other questions, please don’t hesitate to reach out to the Community. We’re always happy to help! 🤗