function convertServerTime() {
    for (const el of document.querySelectorAll(":scope [data-timestamp]")) {
        let time = el.getAttribute("data-timestamp");
        let d = dayjs(time * 1000);

        if (!time || !d) {
            return;
        }

        let userTime = d.locale("ru").format(el.getAttribute("data-format") || "MM/DD/YYYY, hh:mm A");

        if (el.tagName.toLowerCase() === "input" || el.tagName.toLowerCase() === "textarea") {
            el.value = userTime;
        } else {
            el.textContent = userTime;
        }
    }
}

convertServerTime();