System Time within the Dlink router is the total time that displays the duration for which the router is working. The feature is also utilized in other time-based control features... moreSystem Time within the Dlink router is the total time that displays the duration for which the router is working. The feature is also utilized in other time-based control features like Parental Control that plays a vital role in limiting the duration for which the Wi-Fi within the network is used. You can also enable the System time of the dlinkrouter.local window through by 24-Hour time function in which you want the time to be displayed for 24 hours.