diff --git a/core/engine/src/builtins/temporal/duration/mod.rs b/core/engine/src/builtins/temporal/duration/mod.rs
index 15632ecea9..aa05f17d4c 100644
--- a/core/engine/src/builtins/temporal/duration/mod.rs
+++ b/core/engine/src/builtins/temporal/duration/mod.rs
@@ -47,7 +47,7 @@ impl Duration {
 }
 
 impl BuiltInObject for Duration {
-    const NAME: JsString = StaticJsStrings::DURATION;
+    const NAME: JsString = StaticJsStrings::DURATION_NAME;
 }
 
 impl IntrinsicObject for Duration {
@@ -105,7 +105,7 @@ impl IntrinsicObject for Duration {
         BuiltInBuilder::from_standard_constructor::<Self>(realm)
             .property(
                 JsSymbol::to_string_tag(),
-                Self::NAME,
+                StaticJsStrings::DURATION_TAG,
                 Attribute::READONLY | Attribute::NON_ENUMERABLE | Attribute::CONFIGURABLE,
             )
             .accessor(
@@ -184,8 +184,8 @@ impl IntrinsicObject for Duration {
             .method(Self::with, js_string!("with"), 1)
             .method(Self::negated, js_string!("negated"), 0)
             .method(Self::abs, js_string!("abs"), 0)
-            .method(Self::add, js_string!("add"), 2)
-            .method(Self::subtract, js_string!("subtract"), 2)
+            .method(Self::add, js_string!("add"), 1)
+            .method(Self::subtract, js_string!("subtract"), 1)
             .method(Self::round, js_string!("round"), 1)
             .method(Self::total, js_string!("total"), 1)
             .method(Self::to_string, js_string!("toString"), 1)
@@ -199,7 +199,7 @@ impl IntrinsicObject for Duration {
 }
 
 impl BuiltInConstructor for Duration {
-    const LENGTH: usize = 10;
+    const LENGTH: usize = 0;
 
     const STANDARD_CONSTRUCTOR: fn(&StandardConstructors) -> &StandardConstructor =
         StandardConstructors::duration;
diff --git a/core/engine/src/builtins/temporal/instant/mod.rs b/core/engine/src/builtins/temporal/instant/mod.rs
index 28c95e2c63..f244e1f86c 100644
--- a/core/engine/src/builtins/temporal/instant/mod.rs
+++ b/core/engine/src/builtins/temporal/instant/mod.rs
@@ -40,7 +40,7 @@ pub struct Instant {
 }
 
 impl BuiltInObject for Instant {
-    const NAME: JsString = StaticJsStrings::INSTANT;
+    const NAME: JsString = StaticJsStrings::INSTANT_NAME;
 }
 
 impl IntrinsicObject for Instant {
@@ -66,7 +66,7 @@ impl IntrinsicObject for Instant {
         BuiltInBuilder::from_standard_constructor::<Self>(realm)
             .property(
                 JsSymbol::to_string_tag(),
-                Self::NAME,
+                StaticJsStrings::INSTANT_TAG,
                 Attribute::CONFIGURABLE,
             )
             .accessor(
@@ -107,8 +107,8 @@ impl IntrinsicObject for Instant {
             .static_method(Self::compare, js_string!("compare"), 1)
             .method(Self::add, js_string!("add"), 1)
             .method(Self::subtract, js_string!("subtract"), 1)
-            .method(Self::until, js_string!("until"), 2)
-            .method(Self::since, js_string!("since"), 2)
+            .method(Self::until, js_string!("until"), 1)
+            .method(Self::since, js_string!("since"), 1)
             .method(Self::round, js_string!("round"), 1)
             .method(Self::equals, js_string!("equals"), 1)
             .method(Self::to_zoned_date_time, js_string!("toZonedDateTime"), 1)
diff --git a/core/engine/src/builtins/temporal/now.rs b/core/engine/src/builtins/temporal/now.rs
index 8dc1e16919..45da161bc2 100644
--- a/core/engine/src/builtins/temporal/now.rs
+++ b/core/engine/src/builtins/temporal/now.rs
@@ -32,7 +32,7 @@ impl IntrinsicObject for Now {
         BuiltInBuilder::with_intrinsic::<Self>(realm)
             .static_property(
                 JsSymbol::to_string_tag(),
-                Self::NAME,
+                StaticJsStrings::NOW_TAG,
                 Attribute::READONLY | Attribute::NON_ENUMERABLE | Attribute::CONFIGURABLE,
             )
             .static_method(Self::time_zone_id, js_string!("timeZoneId"), 0)
@@ -52,7 +52,7 @@ impl IntrinsicObject for Now {
 }
 
 impl BuiltInObject for Now {
-    const NAME: JsString = StaticJsStrings::NOW;
+    const NAME: JsString = StaticJsStrings::NOW_NAME;
 }
 
 impl Now {
diff --git a/core/engine/src/builtins/temporal/plain_date/mod.rs b/core/engine/src/builtins/temporal/plain_date/mod.rs
index f314785c4d..28123ceddd 100644
--- a/core/engine/src/builtins/temporal/plain_date/mod.rs
+++ b/core/engine/src/builtins/temporal/plain_date/mod.rs
@@ -60,7 +60,7 @@ impl GetTemporalCalendar for JsObject<PlainDate> {
 }
 
 impl BuiltInObject for PlainDate {
-    const NAME: JsString = StaticJsStrings::PLAIN_DATE;
+    const NAME: JsString = StaticJsStrings::PLAIN_DATE_NAME;
 }
 
 impl IntrinsicObject for PlainDate {
@@ -126,7 +126,7 @@ impl IntrinsicObject for PlainDate {
         BuiltInBuilder::from_standard_constructor::<Self>(realm)
             .property(
                 JsSymbol::to_string_tag(),
-                Self::NAME,
+                StaticJsStrings::PLAIN_DATE_TAG,
                 Attribute::CONFIGURABLE,
             )
             .accessor(
@@ -213,19 +213,19 @@ impl IntrinsicObject for PlainDate {
                 None,
                 Attribute::CONFIGURABLE,
             )
-            .static_method(Self::from, js_string!("from"), 2)
+            .static_method(Self::from, js_string!("from"), 1)
             .static_method(Self::compare, js_string!("compare"), 2)
             .method(Self::to_plain_year_month, js_string!("toPlainYearMonth"), 0)
             .method(Self::to_plain_month_day, js_string!("toPlainMonthDay"), 0)
             .method(Self::get_iso_fields, js_string!("getISOFields"), 0)
-            .method(Self::add, js_string!("add"), 2)
-            .method(Self::subtract, js_string!("subtract"), 2)
-            .method(Self::with, js_string!("with"), 2)
+            .method(Self::add, js_string!("add"), 1)
+            .method(Self::subtract, js_string!("subtract"), 1)
+            .method(Self::with, js_string!("with"), 1)
             .method(Self::with_calendar, js_string!("withCalendar"), 1)
-            .method(Self::until, js_string!("until"), 2)
-            .method(Self::since, js_string!("since"), 2)
+            .method(Self::until, js_string!("until"), 1)
+            .method(Self::since, js_string!("since"), 1)
             .method(Self::equals, js_string!("equals"), 1)
-            .method(Self::to_plain_datetime, js_string!("toPlainDateTime"), 1)
+            .method(Self::to_plain_datetime, js_string!("toPlainDateTime"), 0)
             .build();
     }
 
@@ -235,7 +235,7 @@ impl IntrinsicObject for PlainDate {
 }
 
 impl BuiltInConstructor for PlainDate {
-    const LENGTH: usize = 0;
+    const LENGTH: usize = 3;
 
     const STANDARD_CONSTRUCTOR: fn(&StandardConstructors) -> &StandardConstructor =
         StandardConstructors::plain_date;
diff --git a/core/engine/src/builtins/temporal/plain_date_time/mod.rs b/core/engine/src/builtins/temporal/plain_date_time/mod.rs
index 57698f641b..d22a966dee 100644
--- a/core/engine/src/builtins/temporal/plain_date_time/mod.rs
+++ b/core/engine/src/builtins/temporal/plain_date_time/mod.rs
@@ -68,7 +68,7 @@ impl GetTemporalCalendar for JsObject<PlainDateTime> {
 }
 
 impl BuiltInObject for PlainDateTime {
-    const NAME: JsString = StaticJsStrings::PLAIN_DATETIME;
+    const NAME: JsString = StaticJsStrings::PLAIN_DATETIME_NAME;
 }
 
 impl IntrinsicObject for PlainDateTime {
@@ -158,7 +158,7 @@ impl IntrinsicObject for PlainDateTime {
         BuiltInBuilder::from_standard_constructor::<Self>(realm)
             .property(
                 JsSymbol::to_string_tag(),
-                Self::NAME,
+                StaticJsStrings::PLAIN_DATETIME_TAG,
                 Attribute::CONFIGURABLE,
             )
             .accessor(
@@ -276,14 +276,14 @@ impl IntrinsicObject for PlainDateTime {
                 None,
                 Attribute::CONFIGURABLE,
             )
-            .static_method(Self::from, js_string!("from"), 2)
+            .static_method(Self::from, js_string!("from"), 1)
             .static_method(Self::compare, js_string!("compare"), 2)
             .method(Self::with_plain_time, js_string!("withPlainTime"), 1)
             .method(Self::with_calendar, js_string!("withCalendar"), 1)
-            .method(Self::add, js_string!("add"), 2)
-            .method(Self::subtract, js_string!("subtract"), 2)
-            .method(Self::until, js_string!("until"), 2)
-            .method(Self::since, js_string!("since"), 2)
+            .method(Self::add, js_string!("add"), 1)
+            .method(Self::subtract, js_string!("subtract"), 1)
+            .method(Self::until, js_string!("until"), 1)
+            .method(Self::since, js_string!("since"), 1)
             .method(Self::round, js_string!("round"), 1)
             .method(Self::equals, js_string!("equals"), 1)
             .build();
@@ -295,7 +295,7 @@ impl IntrinsicObject for PlainDateTime {
 }
 
 impl BuiltInConstructor for PlainDateTime {
-    const LENGTH: usize = 0;
+    const LENGTH: usize = 3;
 
     const STANDARD_CONSTRUCTOR: fn(&StandardConstructors) -> &StandardConstructor =
         StandardConstructors::plain_date_time;
diff --git a/core/engine/src/builtins/temporal/plain_month_day/mod.rs b/core/engine/src/builtins/temporal/plain_month_day/mod.rs
index 1c57545d0c..6966e27648 100644
--- a/core/engine/src/builtins/temporal/plain_month_day/mod.rs
+++ b/core/engine/src/builtins/temporal/plain_month_day/mod.rs
@@ -46,7 +46,7 @@ impl GetTemporalCalendar for JsObject<PlainMonthDay> {
 }
 
 impl BuiltInObject for PlainMonthDay {
-    const NAME: JsString = StaticJsStrings::PLAIN_MD;
+    const NAME: JsString = StaticJsStrings::PLAIN_MD_NAME;
 }
 
 impl IntrinsicObject for PlainMonthDay {
@@ -56,7 +56,7 @@ impl IntrinsicObject for PlainMonthDay {
         BuiltInBuilder::from_standard_constructor::<Self>(realm)
             .property(
                 JsSymbol::to_string_tag(),
-                Self::NAME,
+                StaticJsStrings::PLAIN_MD_TAG,
                 Attribute::CONFIGURABLE,
             )
             .build();
@@ -68,7 +68,7 @@ impl IntrinsicObject for PlainMonthDay {
 }
 
 impl BuiltInConstructor for PlainMonthDay {
-    const LENGTH: usize = 0;
+    const LENGTH: usize = 2;
 
     const STANDARD_CONSTRUCTOR: fn(&StandardConstructors) -> &StandardConstructor =
         StandardConstructors::plain_month_day;
diff --git a/core/engine/src/builtins/temporal/plain_time/mod.rs b/core/engine/src/builtins/temporal/plain_time/mod.rs
index 4c5b9236e4..ca3840debe 100644
--- a/core/engine/src/builtins/temporal/plain_time/mod.rs
+++ b/core/engine/src/builtins/temporal/plain_time/mod.rs
@@ -36,7 +36,7 @@ pub struct PlainTime {
 }
 
 impl BuiltInObject for PlainTime {
-    const NAME: JsString = StaticJsStrings::PLAIN_TIME;
+    const NAME: JsString = StaticJsStrings::PLAIN_TIME_NAME;
 }
 
 impl IntrinsicObject for PlainTime {
@@ -69,7 +69,7 @@ impl IntrinsicObject for PlainTime {
         BuiltInBuilder::from_standard_constructor::<Self>(realm)
             .property(
                 JsSymbol::to_string_tag(),
-                Self::NAME,
+                StaticJsStrings::PLAIN_TIME_TAG,
                 Attribute::CONFIGURABLE,
             )
             .accessor(
@@ -108,12 +108,12 @@ impl IntrinsicObject for PlainTime {
                 None,
                 Attribute::CONFIGURABLE,
             )
-            .static_method(Self::from, js_string!("from"), 2)
+            .static_method(Self::from, js_string!("from"), 1)
             .static_method(Self::compare, js_string!("compare"), 2)
             .method(Self::add, js_string!("add"), 1)
             .method(Self::subtract, js_string!("subtract"), 1)
-            .method(Self::until, js_string!("until"), 2)
-            .method(Self::since, js_string!("since"), 2)
+            .method(Self::until, js_string!("until"), 1)
+            .method(Self::since, js_string!("since"), 1)
             .method(Self::round, js_string!("round"), 1)
             .method(Self::equals, js_string!("equals"), 1)
             .method(Self::get_iso_fields, js_string!("getISOFields"), 0)
diff --git a/core/engine/src/builtins/temporal/plain_year_month/mod.rs b/core/engine/src/builtins/temporal/plain_year_month/mod.rs
index fb4b89fe95..492549133d 100644
--- a/core/engine/src/builtins/temporal/plain_year_month/mod.rs
+++ b/core/engine/src/builtins/temporal/plain_year_month/mod.rs
@@ -52,7 +52,7 @@ impl GetTemporalCalendar for JsObject<PlainYearMonth> {
 }
 
 impl BuiltInObject for PlainYearMonth {
-    const NAME: JsString = StaticJsStrings::PLAIN_YM;
+    const NAME: JsString = StaticJsStrings::PLAIN_YM_NAME;
 }
 
 impl IntrinsicObject for PlainYearMonth {
@@ -94,7 +94,7 @@ impl IntrinsicObject for PlainYearMonth {
         BuiltInBuilder::from_standard_constructor::<Self>(realm)
             .property(
                 JsSymbol::to_string_tag(),
-                Self::NAME,
+                StaticJsStrings::PLAIN_YM_TAG,
                 Attribute::CONFIGURABLE,
             )
             .accessor(
@@ -160,7 +160,7 @@ impl IntrinsicObject for PlainYearMonth {
 }
 
 impl BuiltInConstructor for PlainYearMonth {
-    const LENGTH: usize = 0;
+    const LENGTH: usize = 2;
 
     const STANDARD_CONSTRUCTOR: fn(&StandardConstructors) -> &StandardConstructor =
         StandardConstructors::plain_year_month;
diff --git a/core/engine/src/builtins/temporal/zoned_date_time/mod.rs b/core/engine/src/builtins/temporal/zoned_date_time/mod.rs
index 75c0516183..ee76c047e0 100644
--- a/core/engine/src/builtins/temporal/zoned_date_time/mod.rs
+++ b/core/engine/src/builtins/temporal/zoned_date_time/mod.rs
@@ -19,7 +19,7 @@ pub struct ZonedDateTime {
 }
 
 impl BuiltInObject for ZonedDateTime {
-    const NAME: JsString = StaticJsStrings::ZONED_DT;
+    const NAME: JsString = StaticJsStrings::ZONED_DT_NAME;
 }
 
 impl IntrinsicObject for ZonedDateTime {
@@ -29,7 +29,7 @@ impl IntrinsicObject for ZonedDateTime {
         BuiltInBuilder::from_standard_constructor::<Self>(realm)
             .property(
                 JsSymbol::to_string_tag(),
-                Self::NAME,
+                StaticJsStrings::ZONED_DT_TAG,
                 Attribute::CONFIGURABLE,
             )
             .build();
@@ -41,7 +41,7 @@ impl IntrinsicObject for ZonedDateTime {
 }
 
 impl BuiltInConstructor for ZonedDateTime {
-    const LENGTH: usize = 0;
+    const LENGTH: usize = 2;
 
     const STANDARD_CONSTRUCTOR: fn(&StandardConstructors) -> &StandardConstructor =
         StandardConstructors::zoned_date_time;
diff --git a/core/string/src/common.rs b/core/string/src/common.rs
index 080a071e25..c7427af68e 100644
--- a/core/string/src/common.rs
+++ b/core/string/src/common.rs
@@ -185,17 +185,24 @@ impl StaticJsStrings {
         (WEAK_MAP, "WeakMap"),
         (WEAK_SET, "WeakSet"),
         (TEMPORAL, "Temporal"),
-        (NOW, "Temporal.Now"),
-        (INSTANT, "Temporal.Instant"),
-        (DURATION, "Temporal.Duration"),
-        (PLAIN_DATE, "Temporal.PlainDate"),
-        (PLAIN_DATETIME, "Temporal.PlainDateTime"),
-        (PLAIN_TIME, "Temporal.PlainTime"),
-        (PLAIN_YM, "Temporal.PlainYearMonth"),
-        (PLAIN_MD, "Temporal.PlainMonthDay"),
-        (CALENDAR, "Temporal.Calendar"),
-        (TIMEZONE, "Temporal.TimeZone"),
-        (ZONED_DT, "Temporal.ZonedDateTime"),
+        (NOW_TAG, "Temporal.Now"),
+        (INSTANT_TAG, "Temporal.Instant"),
+        (DURATION_TAG, "Temporal.Duration"),
+        (PLAIN_DATE_TAG, "Temporal.PlainDate"),
+        (PLAIN_DATETIME_TAG, "Temporal.PlainDateTime"),
+        (PLAIN_TIME_TAG, "Temporal.PlainTime"),
+        (PLAIN_YM_TAG, "Temporal.PlainYearMonth"),
+        (PLAIN_MD_TAG, "Temporal.PlainMonthDay"),
+        (ZONED_DT_TAG, "Temporal.ZonedDateTime"),
+        (NOW_NAME, "Now"),
+        (INSTANT_NAME, "Instant"),
+        (DURATION_NAME, "Duration"),
+        (PLAIN_DATE_NAME, "PlainDate"),
+        (PLAIN_DATETIME_NAME, "PlainDateTime"),
+        (PLAIN_TIME_NAME, "PlainTime"),
+        (PLAIN_YM_NAME, "PlainYearMonth"),
+        (PLAIN_MD_NAME, "PlainMonthDay"),
+        (ZONED_DT_NAME, "ZonedDateTime"),
     }
 }