The first list, List II, is for places that normally keep UTC — Page 422, Lesson 374

We're looking at the standard time tables now — the actual lists of places and how their clocks relate to UTC. This is the practical reference you'll use in flight planning, so let's get the structure clear first. The first list, List II, is for places that normally keep UTC. That means their standard time is exactly the same as Coordinated Universal Time — no offset at all. So if it's 1200 UTC, it's 1200 local standard time in these places. You'll see familiar names there: Great Britain, the Irish Republic, Iceland, Morocco, Ghana, Sierra Leone, and others. Notice the asterisks and footnotes — some of these, like the Canary Islands, Madeira, and Portugal, may keep summer time. And Great Britain, Northern Ireland, and the Channel Islands keep summer time one hour ahead of UTC from March 25th at 0100 UTC to October 28th at 0100 UTC, subject to confirmation. That's a specific window you should note. Now List III is the big one — places slow on UT, meaning west of Greenwich. The heading tells you exactly how to use it: the times given are subtracted from UTC to give Standard Time. So if a place shows 05, you subtract 5 hours from UTC to get local standard time. And conversely, the same number should be added to Standard Time to give UTC. That's the whole relationship — one number, two directions. Let me walk you through some of the entries so you see how to read them. Argentina is 03, so subtract 3 hours. The Azores are 01. The Bahamas are 05. Brazil is interesting — eastern Brazil, including all the coast and Brasilia, is 03, but the western part is 04, and the Territory of Acre is 05. So Brazil itself spans three different offsets. Canada is the most detailed because it's split by longitude. Alberta is 07. British Columbia is 08. Manitoba is 06. Newfoundland is 03 hours 30 minutes — note that half-hour, it's not a whole number. Ontario east of longitude W90° is 05, west of W90° is 06. Quebec east of W63° is 04, west of W63° is 05. Saskatchewan east of W106° is 06, west of W106° is 07. And Yukon is 08. So you see, within one country, the offset changes at specific meridians — you have to know which part of the country you're dealing with. Greenland is split too. Scoresby Sound is 01. Angmagssalik and the west coast are 03. The Thule area is 04. And there's a footnote — Danmarkshaven keeps UT, meaning no offset at all. So even within Greenland, you range from 00 to 04. Some other entries worth noting. The Falkland Islands are 04. Easter Island is 06. The Galapagos Islands are 06. Jamaica is 05. And there's a footnote on the Austral Islands — they show 10, but the note says this is the legal standard time while local mean time is generally used. So the legal offset and the actually-used time can differ. Also note the British Antarctic Territory is 03, except South Georgia which keeps 02. And the asterisks throughout — Argentina, Chile, Cuba, the Falklands, and many others — mean summer time may be kept in those countries. So the table gives you standard time, but you must check for seasonal adjustments. The key skill here is reading the offset correctly. When you see a number, you subtract it from UTC to get local standard time, and add it to local standard time to get UTC. That's the entire operation — one number, two directions. And the half-hour entries like Newfoundland at 03 30 remind you that not all offsets are whole hours. That figure shows the zone time concept — the Earth divided into zones of 15° longitude, each one hour apart, which is the foundation these standard times are built on.