The timezone of Samoa
Timezones are always computed by their difference to UTC, the "Universal Time Coordinated". In Samoa exists only a single tonezone at UTC+13. E.g. New York has the Eastern Standard Time at UTC-5 and the time difference between NY and Samoa is 18 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 Samoa will be on April 05th, 2020 at 4:00 to standard time. Back to overview: Samoa