From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcin Antczak <marcin.antczak@neutrico-themes.pl>
Subject: How to properly convert duration to time?
Date: Sun, 06 Apr 2014 13:15:54 +0200
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Hi List,

I would like to export CLOCK with <time> html5 tag.

I can output :duration as for example: 1:23 (1 hour 23
minutes)

This format is not valid according to w3org specification.
http://www.w3.org/html/wg/drafts/html/master/infrastructure.html#valid-duration-string


How to convert duration to valid time string?



Regards,
Marcin