Re: Interesting map

On Jun 15, 9:01�am, "Lumpy" <lu...@digitalcartography.com> wrote:

nos...@notreal.com wrote:

I wouldn't think one time zone could have two possible dates. I would
think it could get real confusing. �How could 9:00 AM 6/14 be the same
point in time as 9:00 AM 6/15 just because you put a different letter
with it?


It isn't/doesn't.

Zulu +12 (MIKE) is west of the Intl Date Line,
Marshall Islands, Wake Island, parts of easternmost
Russia.

Zulu -12 (YANKEE) is east of the Intl Date Line,
A couple of islands near the tip of Alaska.

As I type this it's 1512 hrs zulu, Monday 15 June.
And it's 0812 hrs local (-7 TANGO) here in Phoenix.

In the Marshall Islands (+12 MIKE) it's 0312 hrs
Tuesday 16 June.

And at Howland Island (near Alaska, -12 YANKEE)
it's 0315 hrs Monday 15 June.

I don't see how say 9:00 AM Q is any better than saying 9:00 AM EST -
or is that 9:00 EDST?


The alpha designators for time zones are independant of
daylight savings time. New York is -5 (ROMEO). If it's
daylight savings time (as it is now) you would say
"JULIET is ROMEO PLUS ONE" to indicate that it's
1 hour shifted to the positive (-4 instead of -5).

JULIET in military alpha designators is local time
of the troops. ie "ADVISE JULIET" means "tell me what
time it is there in your area"

The reason ZULU = GMT/UTC is that ZULU starts with Z
as does ZERO. GMT/UTC is at ZERO longitude.

Terms like EST or EDST are local political conventions.
The Eastern Bumphukia Parliament may choose to rename it
to anything they want with each new dictator. Plus you could
(and do) have the same time zone in several political areas.
-4 QUEBECK could be called one thing in Venezuela, something
else in Paraguay, Greenland etc.

Instead of re-educating the entire military about new names for the
same thing, and learning a dozen different labels depending on
which lattitude you're at, �it's simpler to give it a ONE alpha
character designator.

It's also more accurate to communicate.
EST, GST, BST, TSV, DSB might all sound close on the radio.
QUEBECK is QUEBECK.

Confused yet?..;-)

Not all places are on the same minutes past/before the hour.
There's nothing from keeping any political body from deciding
that when it's 1300 zulu, it's 1745 there in their local country.

Nepal, Sri Lanka, Iran, India, Parts of Australia,
Newfoundland and others are all on "non even hours".
Iran, for example, is zulu +3:30. When it's 0700 hrs
in Greenwich, it's 1015 hrs in Iran. Iran doesn't have
DST because Ahmadinejad abolished it.

There is an island in Australia that has
daylight savings time but it advances it's
clocks only 30 minutes, not a full hour.

There are parts of Australia that, within the same
time zone, the northern areas do not observe daylight
savings time while the southern areas, in the same
longitudes, do observe DST.

"Daylight Savings Time" is not a universal name.
Parts of the world call it "Summer Time".

Right here in Arizona, we don't observe DST.
But the Navaho Indian reservation (within AZ)
does observe DST. BUT the Hopi Indian reservation,
which is WITHIN the Navaho reservation, does not
observe DST.

Lumpy

In Your Ears for 40 Something Yearswww.LumpyMusic.com


Yep, took the jeep tour on the Navajo land and had to keep track of
the time. Nuts.