ARRL Field Day 2021 ARRL Field Day is the most popular on-the-air event held annually in the US and Canada. On the fourth weekend of June, more than 35,000 radio amateurs gather with their clubs, groups or simply with friends to operate from remote locations. 1 2 2021 ARRL Field Day is June 26-27 + Add to Google Calendar + iCal / Outlook export The event is finished. Date Jun 25 - 27 2021 Expired! Time 12:00 pm - 11:00 am Category ARRL Events Club Events Contests Open Live Events Share this event