https://hackerpedia.org/index.php?action=history&feed=atom&title=Leap_second 2026-04-27T13:54:10Z Revision history for this page on the wiki MediaWiki 1.45.1 https://hackerpedia.org/index.php?title=Leap_second&diff=29144&oldid=prev 2026-01-20T00:24:28Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 00:24, 20 January 2026</td> </tr><tr><td colspan="4" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr> <!-- diff cache key wiki:diff:1.41:old-19236:rev-29144 --> </table>

imported>Unknown user https://hackerpedia.org/index.php?title=Leap_second&diff=19236&oldid=prev 2026-01-15T02:53:33Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 02:53, 15 January 2026</td> </tr><tr><td colspan="4" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr> <!-- diff cache key wiki:diff:1.41:old-9438:rev-19236 --> </table>

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<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 01:42, 15 January 2026</td> </tr><tr><td colspan="4" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr> <!-- diff cache key wiki:diff:1.41:old-2296:rev-9438 --> </table>

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<p></p> <p><b>New page</b></p><div>{{LanguageHeader|en}}<br /> {{CyberTerm|definition=A second added to Coordinated Universal Time (UTC) to make it agree with astronomical time to within 0.9 second. UTC is an atomic time scale based on the performance of atomic clocks. Astronomical time is based on the rotational rate of the Earth. Since atomic clocks are more stable than the rate at which the Earth rotates, leap seconds are needed to keep the two time scales in agreement.|source=NISTIR 8323}}</div>

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