JS date return current date in client system (PC clock time)
PHP date return current date of server time. (server clock time)
Current DateTime may vary with timezone.
For server ,
we can change and get timezone value.
set = date_default_timezone_set("asia/kathmandu");
get = date_default_timezone_get();
For client,
we can get current system date with respect to timezone.
For this we can use moment.js