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

Server

Date/time : Thu, 17 Aug 2017 23:13:49 UTC/GMT
2017-08-18T01:13:49+0200 [ISO, local]
Time zone : CEST; Vienna, Austria [+2 hours to UTC/GMT]
UNIX Epoch: 1,503,011,629

Client