diff --git a/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/ordinal/Rules.scala b/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/ordinal/Rules.scala
index 2e679815..bba107b3 100644
--- a/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/ordinal/Rules.scala
+++ b/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/ordinal/Rules.scala
@@ -19,6 +19,7 @@ package com.xiaomi.duckling.dimension.ordinal
 import com.xiaomi.duckling.Types._
 import com.xiaomi.duckling.dimension.DimRules
 import com.xiaomi.duckling.dimension.implicits._
+import com.xiaomi.duckling.dimension.matcher.{GroupMatch, RegexMatch}
 import com.xiaomi.duckling.dimension.numeral.Predicates.isNumeralDimension
 import com.xiaomi.duckling.dimension.numeral.{Numeral, NumeralData}
 
@@ -37,4 +38,21 @@ trait Rules extends DimRules {
       case Token(Ordinal, OrdinalData(value, _)) :: _ =>
         ordinal(value, ge = true)
     })
+  
+  val ruleReverseOrdinalDigits = Rule(
+    name = "reverse ordinal (digits)",
+    pattern = List("倒数第".regex, isNumeralDimension.predicate),
+    prod = tokens {
+      case _ :: Token(Numeral, NumeralData(v, _, _, _, _, _)) :: _ => ordinal(-math.floor(v).toLong)
+    }
+  )
+  
+  val ruleLastOrdinalDigits = Rule(
+    name = "reverse last ordinal (digits)",
+    pattern = List("最后(1|一)个?".regex),
+    prod = tokens {
+      case Token(RegexMatch, GroupMatch(s :: _)) :: _ =>
+        ordinal(-1, ge = s.endsWith("个"))
+    }
+  )
 }
diff --git a/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/time/Rules.scala b/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/time/Rules.scala
index 92d3e250..a1b62edc 100644
--- a/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/time/Rules.scala
+++ b/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/time/Rules.scala
@@ -122,6 +122,53 @@ trait Rules extends DimRules {
         }
     }
   )
+  
+  /**
+    * 今年/本月/2024年/5月 + 最后一天/(倒数)?第二天
+    */
+  val ruleNthTimeOfOrdinalGrain = Rule(
+    name = "nth <time> of <ordinal> grain",
+    pattern =
+      List(isDimension(Time).predicate, isDimension(Ordinal).predicate, isDimension(TimeGrain).predicate),
+    prod = tokens {
+      case Token(Time, td: TimeData) ::
+        Token(Ordinal, od: OrdinalData)
+        :: Token(TimeGrain, GrainData(g, _)) :: _ if td.timeGrain > g && g == Grain.Day && !od.ge =>
+        
+        val predicate = if (od.value >= 0) {
+          val ov = if(od.value > 0) od.value.toInt -1 else 0
+          SequencePredicate(List(td, cycleNth(g, ov)))
+        } else {
+          SequencePredicate(List(td, cycleNth(td.timeGrain, 1), cycleNth(g, od.value.toInt)))
+        }
+        
+        tt(TimeData(timePred = predicate, timeGrain = td.timeGrain))
+    }
+  )
+  
+  val ruleNthTimeOfOrdinalGrain2 = Rule(
+    name = "nth <time> of <ordinal> grain2",
+    pattern = List(
+      isDimension(Time).predicate,
+      "的".regex,
+      isDimension(Ordinal).predicate,
+      isDimension(TimeGrain).predicate
+    ),
+    prod = tokens {
+      case Token(Time, td: TimeData) :: _ ::
+        Token(Ordinal, od: OrdinalData)
+        :: Token(TimeGrain, GrainData(g, _)) :: _ if td.timeGrain > g && g == Grain.Day && !od.ge =>
+        
+        val predicate = if (od.value >= 0) {
+          val ov = if(od.value > 0) od.value.toInt -1 else 0
+          SequencePredicate(List(td, cycleNth(g, ov)))
+        } else {
+          SequencePredicate(List(td, cycleNth(td.timeGrain, 1), cycleNth(g, od.value.toInt)))
+        }
+        
+        tt(TimeData(timePred = predicate, timeGrain = td.timeGrain))
+    }
+  )
 
   val ruleIntersect =
     Rule(
@@ -584,6 +631,8 @@ trait Rules extends DimRules {
     ruleRecentTime,
     ruleNthTimeOfTime,
     ruleNthTimeOfTime2,
+    ruleNthTimeOfOrdinalGrain,
+    ruleNthTimeOfOrdinalGrain2,
     ruleIntersect,
     ruleIntersect2,
     ruleRecentCycle,
diff --git a/duckling-fork-chinese/learning/src/main/scala/com/xiaomi/duckling/dimension/ordinal/Examples.scala b/duckling-fork-chinese/learning/src/main/scala/com/xiaomi/duckling/dimension/ordinal/Examples.scala
index 0d6e6fc9..4ca58c43 100644
--- a/duckling-fork-chinese/learning/src/main/scala/com/xiaomi/duckling/dimension/ordinal/Examples.scala
+++ b/duckling-fork-chinese/learning/src/main/scala/com/xiaomi/duckling/dimension/ordinal/Examples.scala
@@ -22,7 +22,12 @@ import com.xiaomi.duckling.dimension.{Dimension, DimExamples}
 object Examples extends DimExamples {
 
   override def pairs: List[(Types.ResolvedValue, List[String])] =
-    List((7, List("第七", "第七个")), (11, List("第十一")), (91, List("第九十一"))).map {
+    List(
+      (7, List("第七", "第七个")),
+      (11, List("第十一")),
+      (91, List("第九十一")),
+      (-2, List("倒数第二")),
+      (-1, List("倒数第一", "最后一个"))).map {
       case (expected, texts) => (OrdinalData(expected), texts)
     }
 
diff --git a/duckling-fork-chinese/learning/src/main/scala/com/xiaomi/duckling/dimension/time/Examples.scala b/duckling-fork-chinese/learning/src/main/scala/com/xiaomi/duckling/dimension/time/Examples.scala
index 7b4b8541..005d110a 100644
--- a/duckling-fork-chinese/learning/src/main/scala/com/xiaomi/duckling/dimension/time/Examples.scala
+++ b/duckling-fork-chinese/learning/src/main/scala/com/xiaomi/duckling/dimension/time/Examples.scala
@@ -501,7 +501,10 @@ object Examples extends DimExamples {
     (h(15), List("今天3点")),
     // 8点，不是20点
     (datetime(LocalDateTime.of(2013, 2, 11, 8, 0, 0), Hour), List("2013年2月11号8点")),
-    (datetime(LocalDateTime.of(2013, 2, 14, 8, 0, 0), Hour), List("2月14号8点"))
+    (datetime(LocalDateTime.of(2013, 2, 14, 8, 0, 0), Hour), List("2月14号8点")),
+    (datetime(LocalDateTime.of(2013, 2, 2, 0, 0, 0), Day), List("2013年2月2", "2013年2月第二天", "今年2月的第二天", "本月第二天")),
+    (datetime(LocalDateTime.of(2013, 1, 2, 0, 0, 0), Day), List("2013年的第二天", "今年的第二天", "今年倒数第364天")),
+    (datetime(LocalDateTime.of(2013, 5, 31, 0, 0, 0), Day), List("5月的最后一天", "5月最后一天", "5月第31天"))
   )
 
   override def pairs: List[(ResolvedValue, List[String])] =