On the RE650V1 and porbably other similar currenty sold device it's possible to change only the time zone either from JSON POST or from the WEBGUI. Why is not possible to specify the NTP_SVR address...

Thanks to the "security performance firmware" (WPA2/AES) and the TKIP broadcast removal when AES is currently in use on the router, I've bought one RE650 (V1) for need. How one set the time manually...