diff --git a/spec/core/HDateTime.spec.ts b/spec/core/HDateTime.spec.ts
index 06260b8..4c91fe3 100644
--- a/spec/core/HDateTime.spec.ts
+++ b/spec/core/HDateTime.spec.ts
@@ -405,6 +405,10 @@ describe('HDateTime', function (): void {
 			it('returns an empty string for an invalid timezone', function (): void {
 				expect(getTimeZone('FooBar')).toBe('')
 			})
+
+			it('returns a valid timezone for Antarctica', () => {
+				expect(getTimeZone('Casey')).toBe('Antarctica/Casey')
+			})
 		}) // luxon
 
 		describe('Intl', function (): void {
diff --git a/src/core/HDateTime.ts b/src/core/HDateTime.ts
index 6f8bbb0..a3231d8 100644
--- a/src/core/HDateTime.ts
+++ b/src/core/HDateTime.ts
@@ -36,6 +36,7 @@ export interface PartialHaysonDateTime {
 const TIMEZONE_PREFIXES = [
 	'Africa',
 	'America',
+	'Antarctica',
 	'Asia',
 	'Atlantic',
 	'Australia',