set Date and Time manuel

[treffNIX9815]

Hello,
Is it possible to set the date and time manually? I use a separate WLAN/VLAN for IoT devices and block traffic to the internet. Now I have the problem that the device starts with the date 1.1.1970. :D

[caco3]

No, this is not possible.
Why don't you set the IP of your router/gateway as NTP sever? Most routers/gateways can acht as a NTP server (resp. relay).

[treffNIX9815]

I am using unifi cloud gateway max. The gateway isnt an ntp server the other system which host ntp server are isolated from the iot network.