preferred
Parameters
value
The weekly time range during which system maintenance can occur, in Universal Coordinated Time (UTC). Format : ddd:hh24:mi-ddd:hh24:mi Default : a 30-minute window selected at random from an 8-hour block of time for each AWS Region , occurring on a random day of the week. Valid days : Mon, Tue, Wed, Thu, Fri, Sat, Sun Constraints : Minimum 30-minute window.