diff --git a/atproto/syntax/datetime.go b/atproto/syntax/datetime.go
index 22c23e2d..c3137d1a 100644
--- a/atproto/syntax/datetime.go
+++ b/atproto/syntax/datetime.go
@@ -63,6 +63,12 @@ func ParseDatetimeLenient(raw string) (Datetime, error) {
 	if strings.HasSuffix(raw, "-00:00") {
 		return ParseDatetime(strings.Replace(raw, "-00:00", "+00:00", 1))
 	}
+	if strings.HasSuffix(raw, "-0000") {
+		return ParseDatetime(strings.Replace(raw, "-0000", "+00:00", 1))
+	}
+	if strings.HasSuffix(raw, "+0000") {
+		return ParseDatetime(strings.Replace(raw, "+0000", "+00:00", 1))
+	}
 
 	// try adding timezone if it is missing
 	var hasTimezoneRegex = regexp.MustCompile(`^.*(([+-]\d\d:?\d\d)|[a-zA-Z])$`)
diff --git a/atproto/syntax/datetime_test.go b/atproto/syntax/datetime_test.go
index e9dda367..595840a8 100644
--- a/atproto/syntax/datetime_test.go
+++ b/atproto/syntax/datetime_test.go
@@ -83,6 +83,9 @@ func TestParseDatetimeLenient(t *testing.T) {
 		"2023-08-27T19:07:00.186173",
 		"1985-04-12T23:20:50.123-00:00",
 		"1985-04-12T23:20:50.123+00:00",
+		"1985-04-12T23:20:50.123+0000",
+		"1985-04-12T23:20:50.123-0000",
+		"2023-11-12T11:20:01+0000",
 	}
 	for _, s := range valid {
 		_, err := ParseDatetimeLenient(s)