Server’s (PHP) and client’s (JavaScript) date & time

Server

Date/time : Sat, 16 Feb 2019 23:26:01 UTC/GMT
2019-02-17T00:26:01+0100 [ISO, local]
Time zone : CET; Vienna, Austria [+1 hour to UTC/GMT]
UNIX Epoch: 1,550,359,561

Client