Returns the UTC Time Offset for a specific longitude.
longitude longitude is the string or numeric expression to be considered is_daylight_saving Optional. Boolean value, either TRUE or FALSE. Decides whether the current location to be considered is in daylight savings time. Default is FALSE if omitted.
If is_day_saving is TRUE, which means the location to be considered is in daylight savings time, 1 will be added to the normal UTC Time Offset.