Straight Key Night is held every January 1 from 0000 UTC through 2359 UTC. http://www.arrl.org/straight-key-night

Kids Day always runs from 1800 UTC through 2359 UTC. Operate as much or as little as you like. http://www.arrl.org/kids-day

First full weekend of January, but never on January 1. Begins 1800 UTC Saturday, ends 2400 UTC Sunday. http://www.arrl.org/rtty-roundup

The date will be announced annually by the ARRL but will generally be the third or fourth weekend in January. Begins 1900 UTC Saturday, ends 0359 UTC Monday. http://www.arrl.org/january-vhf

Winter Field Day runs for 24 hours during the last full weekend in January each year from 1900 UTC (2pm EST) Saturday to 1900 UTC (2pm EST) Sunday. For 2018, the dates are January 27th and 28th. Station set-up may commence no earlier than 1900 UTC (2pm EST) on Friday, January 26th. Station setup may ... Read more...