The timezone of Norfolk Island
Timezones are always computed by their difference to UTC, the "Universal Time Coordinated". On Norfolk Island exists only a single tonezone at UTC+11. E.g. New York has the Eastern Standard Time at UTC-5 and the time difference between NY and Norfolk Island is 16 hours.
They have a nationwide clock change from standard time to daylight saving time, where the clocks are switched forward by 1 hour in summer.
The next clock change in Norfolk Island will be on April 04th, 2021 at 3:00 to standard time. Back to overview: Norfolk Island