document.addEventListener("DOMContentLoaded", () => {
    document.querySelectorAll("time[data-utc]").forEach((el) => {
        const date = new Date(el.dataset.utc);
        if (Number.isNaN(date.getTime())) {
            return;
        }
        el.textContent = date.toLocaleString(undefined, { dateStyle: "medium", timeStyle: "short" });
        el.title = `${el.dataset.utc} (UTC)`;
    });
});