[LEAPSECS] xkcd clock
zefram at fysh.org
Wed Feb 26 10:00:07 EST 2014
Pierpaolo Bernardi wrote:
>The URL Rob Seaman posted shows the correct time, for me.
It's a dynamic redirect. <http://imgs.xkcd.com/comics/now.png> redirects
to <http://c.xkcd.com/redirect/comic/now>, which redirects to a URL of the
form "http://imgs.xkcd.com/comics/now/HHhMMm.png", where "HH" and "MM"
are digits specifying a time of day, in UT+12h, rounded to a multiple
of 15 min. The second redirect has HTTP headers to disable caching.
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