diff --git a/time/suncalc/locales/en-US/79-suncalc.json b/time/suncalc/locales/en-US/79-suncalc.json
index f63050a5..ad531c34 100644
--- a/time/suncalc/locales/en-US/79-suncalc.json
+++ b/time/suncalc/locales/en-US/79-suncalc.json
@@ -17,8 +17,8 @@
 		"goldenHour": "Start of evening golden hour",
 		"sunsetStart": "Sunset start",
 		"sunset": "Sunset, civil twilight starts",
-		"dusk": "Dusk, Evening astronomical twilight starts",
-		"nauticalDusk": "Evening nautical twilight starts",
+		"dusk": "Dusk, Evening nautical twilight starts",
+		"nauticalDusk": "Evening astronomical twilight starts",
 		"night": "Dark enough for astronomy",
 		"start": " start",
 		"mins": " mins",