serverSync: serverTime Function return value from server but I have checked both server and client time both are same.When i called server to sync with server it will not displa
Shouldn't you call serverTime() here -
$('#defaultCountdown').countdown({ until: shortly, onExpiry: liftOff, onTick: watchCountdown, serverSync: serverTime });
Like this:
$('#defaultCountdown').countdown({ until: shortly, onExpiry: liftOff, onTick: watchCountdown, serverSync: serverTime() });