All 12 months of 2027 with ISO week numbers (Monday-start) and US holidays underlined — hover a date for the holiday name. 2027 has 52 ISO weeks.
Holidays in 2027: New Year — January 1, 2027 · Valentine's Day & Super Bowl — February 14, 2027 · Spring — March 20, 2027 · Easter — March 28, 2027 · Mother's Day — May 9, 2027 · Memorial Day — May 31, 2027 · Father's Day — June 20, 2027 · Summer — June 21, 2027 · 4th of July — July 4, 2027 · Labor Day — September 6, 2027 · Fall — September 22, 2027 · Halloween — October 31, 2027 · Thanksgiving — November 25, 2027 · Winter — December 21, 2027 · Christmas — December 25, 2027