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Given as scheduled on the festival's own site: "Boston Calling Music Festival | Boston, MA | June 4 - 6, 2027 ... SEE YOU IN 2027", matching the organisers' post quoted by Boston.com[3]: "an exciting return on a new weekend: June 4-6, 2027."
Encyclopedia article: the 2026 hiatus with plans for June 4-6, 2027, and Mayor Wu's explanation citing the Semiquincentennial and World Cup.[1]
Boston.com quotes the organisers' post: a short break in 2026 and "an exciting return on a new weekend: June 4-6, 2027".
NBC Boston[3] on the announcement and the June 4-6, 2027 return; the festival draws upwards of 40,000.
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