1977 (MCMLXXVII) was a common year starting on Saturday of the Gregorian calendar.
January[]
- January 15: "Boogie Child" enters the US Charts
April[]
- April 15: Concert in St. Louis, Missouri
June[]
- June 4: Here at Last... enters the US charts
- June 24: Here at Last... certified gold in the US
July[]
- July 14: Bee Gees appear on the cover of Rolling Stone magazine
- July 30: "I Just Want to Be Your Everything" reaches No. 1 in the US
August[]
- August 5: Andy Gibb performs "I Just Want to Be Your Everything" on the Midnight Special
- August 9: The single "I Just Want to Be Your Everything" certified gold in the US
- August 13: "I Just Want to Be Your Everything" by Andy Gibb reaches No. 1 in Canada
September[]
- September 3: Andy Gibb plays supporting Neil Sedaka in New York
- September 8: Barry's second son, Ashley, is born
- September 17: "I Just Want to Be Your Everything" reaches No. 1 in the US
- September 24: "How Deep is Your Love" enters the US charts
October[]
- October 7: Andy Gibb performs "Love is Thicker Than Water" on the Midnight Special
- October 22: "I Just Want to Be Your Everything" reaches No. 1 in Australia
- October 29: "How Deep is Your Love" enters the UK charts
November[]
- November 22: Flowing Rivers is certified gold in the US
- November 22: Here at Last... is certified platinum in the US
December[]
- December 7: The Saturday Night Fever soundtrack is released
- December 10: "Stayin' Alive" and the Saturday Night Fever soundtrack ]] enter the US charts
- December 10: "How Deep is Your Love" reaches No. 1 in Canada
- December 14: Saturday Night Fever premieres in New York City
- December 16: The single "How Deep is Your Love" is certified gold in the US
- December 17: Andy Gibb plays in Boston, Massachusetts
- December 24: "How Deep is Your Love" reaches No. 1 in the US