Antarctica/Macquarie is a canonical time zone in the IANA Time Zone Database covering these ISO 3166-1 alpha-2 countries: AU.
- Zone name: Antarctica/Macquarie
- Countries (ISO 3166-1 alpha-2): AU
- Coordinates (ISO 6709): -5430+15857
- Coordinates (decimal degrees): 54.5000° S, 158.9500° E
- Comment: Macquarie Island
- tz database release: 2026e (2026-09-29 17:14:38 -0700)