The inspector general for the DOT reported Thursday that the department does not have a single map that accurately shows the nation's time zones and each local observance of daylight saving time.

Time zones count too, and the US is divided into six of them. ... The Bureau of Economic Analysis goes with this eight-region map of the US. Its regions are New England, the Mideast, the Southeast ...

By Gregory Wallace, CNN A person may take knowing the local time for granted, but an official review revealed that there is no single, accurate map showing the nation’s time zones and local ...