Earthquake Topics - Time Information

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National Institute of Standards and Technology (NIST), Physics Laboratory
A Walk through Time
A history of time through the ages.
NOAA
Converting UTC to local US time
Table of all possible conversions from UTC to local US time.
Chaos Software Group, Inc
Current Local Time Anywhere
Will display the current local time anywhere. It has a list of countries and major cities.
WebExhibits
History of Daylight Savings Time
History of Daylight Savings Time
Time and Date AS / Steffen Thorsen
The World Clock - Time Zones
Displays list of cities with local time. Many selections available. May select city by continent,
capital cities, and more.
Department of the Navy
Time Zone Conversion
Table of conversions from UTC to some US time zones, standard and dailylight savings time.
USGS
Toilet Paper Geologic Time Scale (PDF)
use toilet paper to understand the enormous extent of geologic time compared to recent time; timeline included
US Naval Observatory
Universal Time and Greenwich Mean Time
Explains the similarities and differences between the two types of time standards.
Department of the Navy
Universal Time Gif Clock
GIf image of Universal Time
USGS
UTC - Coordinated Universal Time
Definition of UTC.
Department of the Navy
What Are the U.S. Time Zones?
Table of how to determine time in any US time zone, given UTC time.
Contains a short history of standard time in the US.
NASA/MSFC/ESSD
What is UTC?
Description of Universal Time.
Department of the Navy
What Time Is It?
Displays current UTC time, and current time in US time zones.
U.S. Naval Observatory
World Time Zone Map
World time zones.
Department of the Navy
World Time Zones
Information on World time zones, including maps, US law, and information by country.

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