1977
- February 26
- New Durham Street bridge over the Avon opens.
- March 3-7
- Visit by Queen and Duke of Edinburgh.
- March 4
- Museum Antarctic wing opens.
- March 23
- Durham Street overbridge opens.
- April 25
- Bridge of Remembrance becomes a pedestrian precinct.
- June
- Lyttelton container crane in operation.
- June 14
- Worst ever daytime smog levels - 750 micrograms per cubic metre. But this is only a quarter of the worst night levels. See 1975.
- July 4
- Hundreds evacuated as serious flooding affects City.
- September 19
- Visit by Prince and Princess Prem Purachatra of Thailand.
- September 23
- First Vietnamese refugees arrive in City.
- December 21
- New Zealand’s first closed circuit central city television traffic control system in operation for City Council.