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Re: (meteorobs) Geminids
At 10:22 PM 1999-11-30 EST, Rowan1955@aol.com wrote:
>I was able to see some Leonids but things look better on the East coast USA
>for Geminds. How do I convert UT time to Zulu
UTC *IS* Zulu time. They're just different names for one another. I believe
the "Zulu" came from military abbreviation. UTC, meaning Universal
Coordinated Time (probably correctly stated in French since the initials
seem as if they should be UCT) was adopted worldwide some 15 or 20+ years
ago instead of saying "Greenwich Mean Time", abbreviated GMT, which is what
everybody used to say. UTC came out of the effort to coordinate worldwide
standard names for measurement units. So UTC, Zulu, and GMT are all the
same time zone, which is that of the Greenwich Observatory in England.
> or East Coast EST USA
Eastern Standard Time is 5 hours BEHIND UTC; thus, 0500Z (which is how 0500
UTC is usually abbreviated) is actually 0000 EST, or midnight. Since UTC
has no daylight savings time, then when the US shifts to daylight savings
time in the spring ("spring ahead"), 0500Z becomes 0100 EDST, or one hour
AFTER midnight Eastern time.
SteveH
Shrewsbury MA
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