Based on Timezones2008.png
<dl><dd>Yellow     - UTC-6 all year round</dd>
<dd>Dark Blue  - UTC-6 December</dd>
<dd>Orange     - UTC-6 June</dd>
<dd>Light Blue - UTC-6 Sea Area</dd></dl>
<a href="https://en.wikipedia.org/wiki/User:MrMingsz" class="extiw" title="wikipedia:User:MrMingsz">MrMingsz</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
20 November 2008 (original upload date)
Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons by <a href="//commons.wikimedia.org/w/index.php?title=User:MrMingsz&amp;action=edit&amp;redlink=1" class="new" title="User:MrMingsz (page does not exist)">MrMingsz</a>.