World Archives - Driving Directions and Maps

Map of the World According to the Middle Ages

Downloadable map and description of usage of the World Time Zone Map

This map shows the standard time zones of the World. Click on the map to view a bigger, printable version of the Word Time Zone Map.

Map Scale 1:85,000,000 at 0º

Source: Miller Cylindrical Projection
Note: Boundary representation is not necessarily authoritative.

Locations on West from GMT (Greenwich Mean Time)

Add time zone number to local time to obtain UTC.
Subtract time zone number from UTC to obtain local time.

Locations on East from GMT (Greenwich Mean Time)

Subtract time zone number from local time to obtain UTC.
Add time zone number to UTC to obtain local time.

Greenwich Mean Time is never adjusted backwards or forwards.