Fixes: https://github.com/go-gitea/gitea/issues/28371 Fixed by using a JS solution that formats according to `lang`, but alters the 24h format setting as per user's locale. This will work for all tooltips: <img width="243" alt="Screenshot 2024-03-07 at 23 03 35" src="https://github.com/go-gitea/gitea/assets/115237/6d16c71c-6786-4eda-8cdc-50ec68ba62c6"> <img width="250" alt="Screenshot 2024-03-07 at 23 03 17" src="https://github.com/go-gitea/gitea/assets/115237/4e26bbb7-12df-4b81-bd37-14705e87e8f7"> <img width="310" alt="Screenshot 2024-03-07 at 23 14 34" src="https://github.com/go-gitea/gitea/assets/115237/1ef599f0-6401-4e19-b1da-59cdfc09b0f6"> I think there is only one other place in the UI where we render such absolute dates, which is in the actions view and which I've also fixed: <img width="275" alt="Screenshot 2024-03-07 at 23 04 00" src="https://github.com/go-gitea/gitea/assets/115237/df0fbe1f-96ee-4338-ab5e-2b10e215005d">
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