Stick a fork in it, it's done: Dali Clock
for OSX, binary
Requires MacOS 10.4.0 or newer (if you try to run it on an older version, it will now display a dialog box instead of just crashing.)
I expect those of you in the western hemisphere to all be running this in full-screen "countdown" mode at your parties tonight!
I am sad to report that MacOS X did not know about the leap second
. 3:59:59 was immediately and shamefully followed by 4:00:00 instead of 3:59:60.
Update: But I see that all my Linux boxes just spat out this syslog:
Dec 31 15:59:59 cerebrum kernel: Clock: inserting leap second 23:59:60 UTC
(Nothing logged on OpenBSD.)