Take the 2-minute tour ×  I've tried my servers and they don't
see the patches that Microsoft has released. Usually Windows
Update automatically installs them on Wednesday, so it must be
something late in the day -- yet I can't find this info anywhere
on either the Wikipedia page or on Microsoft's site for Patch
Tuesday. Anyone have authoritative source for the time of day
they are released?  The wiki discussion page for Patch Tuesday
laments this as well:  "What time exactly are the updates
released? I never seem to notice them till wednesday, and I see
nothing as of yet (14:03 UTC) today. --Zilog Jones 13:03, 11
July 2006 (UTC)")  share|improve this question  4 Answers 4  up
vote 7 down vote accepted  According to this page, they release
them at approximately 10 AM Pacific time.  share|improve this
answer Great, thanks!!! –  Matt Rogish Aug 11 '09 at 17:59 That
would be 1800 UTC during winter and 1700 UTC during daylight
savings time in the pacific zone. My experience is that it's
usually a bit later than t