1 files changed, 12 insertions, 1 deletions
diff --git a/src/temporal-ambient.d.ts b/src/temporal-ambient.d.ts
index f6080b0..fbd721e 100644
--- a/src/temporal-ambient.d.ts
+++ b/src/temporal-ambient.d.ts
@@ -43,7 +43,18 @@ declare global {
 				options?: Intl.DateTimeFormatOptions,
 			): string;
 		}
-
+		interface PlainDate {
+			/** ISO day of week: Monday = 1 … Sunday = 7. */
+			readonly dayOfWeek: number;
+			add(durationLike: DurationLike): PlainDate;
+			subtract(durationLike: DurationLike): PlainDate;
+			toZonedDateTime(timeZone: TimeZoneId): ZonedDateTime;
+		}
+		namespace PlainDate {
+			function from(
+				plainDateLike: { year: number; month: number; day: number },
+			): PlainDate;
+		}
 		namespace Now {
 			function instant(): Instant;
 			function timeZoneId(): TimeZoneId;