©2002-2007 dailyTangents.com
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Time and Time Zones
©2002-2007 dailyTangents.com |
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| * Current Leap Second Announcement | ||
| * USNO: | What is a leap second? | United States Naval Observatory |
| * NPL: | The Leap Second | National Physical Laboratory |
| * Table: | Leap Seconds Since 1961 | United States Naval Observatory |
| * NIST: | Leap Second & UT1-UTC | National Institute of Standards and Technology |
| * INMS: | The Leap Second | Institute for National Measurement Standards |
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