Simon Willison’s Weblog

Tips on using python's datetime module. Wow. I’ve run in to problems with datetime and timezones before, but I had no idea how intrinsic those problems were to the design of the library.

Posted 6th July 2009 at 2:20 pm

Recent articles

V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025

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