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Editorial Team
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Asked: 2026-05-27T20:33:50+00:00

I want ask for a specific time that includes a timezone field. Is this

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I want ask for a specific time that includes a timezone field. Is this possible?

At the moment I’m using this to retrieve the time:

<%= f.time_select :meeting_time %>
<%= f.time_zone_select :timezone %>

and this to try to change timezone:

meeting_time.in_time_zone(params[:meeting][:timezone])

but when the user inputs the time it will be automatically set to the timezone on the rails server(in this case GMT). Then if the user selects for example GMT-1 it will decrease the time by one hour but what I want is to increase it so all the times are shown in GMT.

Example:

The user inputs 18:00 GMT-1 and the f.time_select will put it as 18:00 UTC. Next, I try to convert it to GMT-1 but as it is already in UTC it will give me 17:00 GMT-1 instead of 19:00 GMT that I want.

Note: I do not want necessarily to show all the times in GMT but I don’t think I can save in other format without changing the server timezone

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1 Answer

  1. Editorial Team

    I’m not sure if this is the proper rails convention, but it’s a workaround that seems to be working fine for me.

    If you change your local time to utc before saving it to the database, it should save as the correct utc time regardless of server time zone.

    Set the Time.zone for the current request

        Time.zone = params[:meeting][:timezone]

    Adjust to utc

        meeting_time = Time.zone.local_to_utc meeting_time
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