elect the continent/city where you leave and the timezone will be filled for you.<br>
The value was correct at the time it was created, but sometimes governments change it, namely the DST. If the value is incorrect, you can check the "FIX DST" checkbox and specify when DST starts and ends.<br>
Notice that the meaningful start and end DST grayed entries are only updated when the page is first drawn, they are not updated when you change the Continent/City or the timezone string; if you want to check that the 