SKYWARN Recognition Day On-the-Air Event is Saturday, December 3:

eHam.net News — The annual SKYWARN Recognition Day (SRD) on-the-air activity will
take place Saturday, December 3, from 0000 until 2400 UTC (starts on
the evening of Friday, December 2, in US time zones).

from Ham Radio Update http://ift.tt/2ghq4mF
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