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...

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Winter/Spring Term Each 5-day event runs Monday through Friday from 1300 UTC Monday through 2359 UTC Friday. A station may operate no more than 6 hours in a 24-hour period, and a maximum of 24 hours of the 107 hour event. Winter/Spring Term: The second full school week of February. http://www.arrl.org/school-club-roundup

CW: Third full weekend in February. Phone: First full weekend in March. Contest Period: 48 hours each mode. Starts 0000 UTC Saturday; ends 2359 UTC Sunday. http://www.arrl.org/arrl-dx