====== getDateFromTime ======
  * Parameters and types:
     * time: numbertimestamp
     * enum: numberenumeration value (EVENTDATE) EVENTDATE
  * Return value and type:
     * code: numberSuccess (ErrorCode.OK) ErrorCode
     * ret: numbertime value
  * The main function of this method: Convert timestamp to time unit
  * The specific use cases are as follows:

<code>
local code, ret = World:getDateFromTime(time, enum)
if code == ErrorCode.OK then
print('Execution successful', code, ret )
else
print('Execution failed')
end
</code>