import { useEffect, useState } from "preact/hooks"; const dateTimeFormat = new Intl.DateTimeFormat(); const timezoneId = Temporal.Now.timeZoneId(); export function Time() { const [time, setTime] = useState(Temporal.Now.instant().toZonedDateTimeISO(timezoneId)) useEffect(() => { const id = setInterval(() => { setTime(time => time.add({ seconds: 1 })); }, 1000) return () => { clearInterval(id); } }, []) return