I have been searching for a way to deal with datetime values coming from forms. The datetime-local input does not care about time zones, so the information is lost and casting to Ecto’s :utc_datetime assumes the value already is in UTC. I think the front end should add the time zone instead of this…

Whilst I don’t have an answer for you on how to embed the timezone in the form, I have an alternative idea (which you might already be aware of!) In you app.js, you have the following: let liveSocket = new LiveSocket("/live", Socket, { longPollFallbackMs: 2500, params: {_csrf_token: csrfToken}…

[image] joshamb: Whilst I don’t have an answer for you on how to embed the timezone in the form, I have an alternative idea (which you might already be aware of!) I have been thinking about doing something like this, but I seriously dislike that the time zones need to be handled explicitly in…

[image] Sorc96: The datetime-local input does not care about time zones, so the information is lost and casting to Ecto’s :utc_datetime assumes the value already is in UTC The information is not lost so much as it was never gained. The datetime-local inputs explicitly don’t validate the user’…

Elixir Programming Language Forum

Datetime input and time zone

Questions & Help Questions

arcanemachine February 13, 2025, 5:06pm 3

Can you embed the timezone or offset as a hidden field in your form?