03 · Time as a first-class inputSchedulingCron, sleep, and sleepUntil, durable across deploys and process restarts. Schedule work for tomorrow, next quarter, or whenever a user picks a date.000102030405060708sleepUntil("09:00")nowtimelinecron · 0 9 * * * + sleepUntilPatterns01Running code at specific timesSchedule one-off work for appointment reminders, off-peak AI maintenance, embargoed publishing, and user-picked send times.Next primitive →Background Jobs