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Editorial Team
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Asked: 2026-05-21T00:01:25+00:00

I have an MVC application which allows appointment booking. The user can click on

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I have an MVC application which allows appointment booking. The user can click on a slot in the diary view, which takes them to a page to select the practitioner and confirm.

The query string for this page contains a DateTime which is the time the appointment is to start. This is automatically formatted in US format by Html.ActionLink(…), like so:

/assign?date=04%2F06%2F2011%2009%3A00%3A00

This is correctly deserialised and the view reports that the appointment time will be the 6th of April. It is also stored in a hidden field in the view to be posted to the confirm action; the hidden field has the value: 04/06/2011 09:00:00, rendered by Html.HiddenFor(…). Again, looks like US format.

However, when the form gets posted, the appointment is booked for the 4th of June, presumably interpreting the date as en-GB.

Why would it do that?

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1 Answer

  1. Editorial Team

    That might happen because your server is configured to auto detect the culture of the browser and if the browser preferred culture is en-GB that’s what the server will use when binding DateTime parameters:

    <globalization culture="auto" uiCulture="auto" />

    You could specify it to a fixed culture:

    <globalization culture="en-US" uiCulture="en-US" />
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