UTC offsets in diagonally striped areas are not whole hours.
![grid mapping and area finder grid mapping and area finder](https://images.slideplayer.com/8/1381526/slides/slide_5.jpg)
Assumed illumination is from the west shading is computed as a function of the east-west slope of the surface with a nonlinear exaggeration favoring low-relief areas. If you place more than one pin, an extra line of information is added underneath the map with links to those cities' pages. This image was generated by NOAA from digital data bases of land and sea-floor elevations on a 2-minute latitude/longitude grid (1 minute of latitude 1 nautical mile, or 1.853 km).
![grid mapping and area finder grid mapping and area finder](https://images.twinkl.co.uk/tw1n/image/private/t_630/u/ux/grid-references-treasure-map_ver_1.png)
Please note that the Time Zone Map is not a political map but a time zone map showing the time zone boundaries. On this map, the squares from top to bottom are letters. Enter a location search below to zoom to the approximate location. Move your finger or a pointer along the lines on the map, and explain that lines on the map run across and down to form a pattern of squares. Instructions: Simply right click on the map to find a grid reference at that point. Maps with grids have clues, and the clue for the bears is A3. Future changes are usually incorporated into our database before they take effect, so the map accurately reflects the current situation. The grid helps you locate places on a map.