The Time Service Department of the U.S. Naval Observatory provides a running GIF clock service. The clock ticks 15 seconds. The time shown is UTC or Universal Time. Reload this page to restart.

(USNO Master Clock)

The running GIF clock service is experimental. It sends about 200 bytes/sec while the clock is running. The U.S. Naval Observatory cannot guarantee it will always be available.

The running GIF clock was developed for browsers that support 'Content type: multipart/x-mixed-pelace'. Netscape does this correctly. Internet Explorer 3.0 and others do not.

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