Copilot Studio

date set up for Copilot studio AI Agent

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Posted on by JK-25021437-0

They keep saying wrong time and I am based in UK.

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Vish WR 1,021 on at

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Hi

Can you try this approach

Add a Time Zone Instruction to the Agent's System Prompt

In Copilot Studio, go to your agent's Instructions / System Prompt and add something like:

Sample Instruction

The user is based in the United Kingdom.

Always use UK date format (DD/MM/YYYY). T

he current date and time should be interpreted in GMT/BST (Europe/London) timezone.

This tells the model how to interpret and display dates.

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rezarizvii 333 on at

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Hi, hope you are doing well.

The issue seems to stem from date format ambiguity.

You mentioned you are based in the UK, which means you use the DD/MM/YYYY date format. Your agent receives today's date as 09/04/2026, but it most likely reads it in the US date format of MM/DD/YYYY and decodes it as Sept 04th, 2026.

I tried to check if there is a specific setting in Copilot Studio to set the default date format or region but I could not find any. This could also be something set on the environment-level.

To fix this, I suggest explicitly tell the agent, either as Instructions in the Overview tab of your agent or as Topic description, to always resolve dates in DD/MM/YYYY format. This would ensure your agent always follow the UK's format and fixes the ambiguity.

Reza M. Rizvi
LinkedIn | Email
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Vish WR 1,021 on at

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@JK-25021437-0

Good Day

Just want to followup is your issue resolved?

Vishnu WR

LinkedIn - My Tech Space

Please ✅ Does this answer your question if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider answering Yes to Was this reply helpful? or give it a Like ♥

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