diff --git a/dsl-template/src/commonMain/kotlin/aggregation/AggregationOperators.kt b/dsl-template/src/commonMain/kotlin/aggregation/AggregationOperators.kt
index dfcfb22d..f7fe29a9 100644
--- a/dsl-template/src/commonMain/kotlin/aggregation/AggregationOperators.kt
+++ b/dsl-template/src/commonMain/kotlin/aggregation/AggregationOperators.kt
@@ -137,6 +137,7 @@ import opensavvy.ktmongo.dsl.query.FilterQuery
  * - [`$toUUID`][TypeValueOperators.toUuid]
  *
  * Date and time operators:
+ * - [`$second`][DateTimeValueOperators.second]
  * - [`$week`][DateTimeValueOperators.week]
  * - [`$year`][DateTimeValueOperators.year]
  *
diff --git a/dsl-template/src/commonMain/kotlin/aggregation/operators/DateTimeValueOperators.kt b/dsl-template/src/commonMain/kotlin/aggregation/operators/DateTimeValueOperators.kt
index 3fe7671d..1be8ef80 100644
--- a/dsl-template/src/commonMain/kotlin/aggregation/operators/DateTimeValueOperators.kt
+++ b/dsl-template/src/commonMain/kotlin/aggregation/operators/DateTimeValueOperators.kt
@@ -232,6 +232,100 @@ interface DateTimeValueOperators : ValueOperators {
 	final val <R : Any> Value<R, Timestamp>.week: Value<R, Int>
 		get() = UnaryOperator(context, "week", this)
 
+	// endregion
+	// region $second
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	val <R : Any> Value<R, Instant>.second: Value<R, Int>
+		get() = UnaryOperator(context, "second", this)
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	@Suppress("WRONG_MODIFIER_CONTAINING_DECLARATION")
+	@get:JvmName("secondOfObjectId")
+	final val <R : Any> Value<R, ObjectId>.second: Value<R, Int>
+		get() = UnaryOperator(context, "second", this)
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	@Suppress("WRONG_MODIFIER_CONTAINING_DECLARATION")
+	@get:JvmName("secondOfTimestamp")
+	final val <R : Any> Value<R, Timestamp>.second: Value<R, Int>
+		get() = UnaryOperator(context, "second", this)
+
 	// endregion
 
 	@LowLevelApi
diff --git a/dsl/src/commonMain/kotlin/aggregation/AggregationOperators.kt b/dsl/src/commonMain/kotlin/aggregation/AggregationOperators.kt
index 3aa52b6e..bd07e9fd 100644
--- a/dsl/src/commonMain/kotlin/aggregation/AggregationOperators.kt
+++ b/dsl/src/commonMain/kotlin/aggregation/AggregationOperators.kt
@@ -140,6 +140,7 @@ import opensavvy.ktmongo.dsl.query.FilterQuery
  * - [`$toUUID`][TypeValueOperators.toUuid]
  *
  * Date and time operators:
+ * - [`$second`][DateTimeValueOperators.second]
  * - [`$week`][DateTimeValueOperators.week]
  * - [`$year`][DateTimeValueOperators.year]
  *
diff --git a/dsl/src/commonMain/kotlin/aggregation/operators/DateTimeValueOperators.kt b/dsl/src/commonMain/kotlin/aggregation/operators/DateTimeValueOperators.kt
index 16e662bf..817372e7 100644
--- a/dsl/src/commonMain/kotlin/aggregation/operators/DateTimeValueOperators.kt
+++ b/dsl/src/commonMain/kotlin/aggregation/operators/DateTimeValueOperators.kt
@@ -816,6 +816,377 @@ interface DateTimeValueOperators : ValueOperators {
 	final val Timestamp.week: Value<Any, Int>
 		get() = of(this).week
 
+	// endregion
+	// region $second
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	val <R : Any> Value<R, Instant>.second: Value<R, Int>
+		get() = UnaryOperator(context, "second", this)
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	val <R : Any> opensavvy.ktmongo.dsl.path.Field<R, Instant>.second: Value<R, Int>
+		get() = of(this).second
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	val <R : Any> kotlin.reflect.KProperty1<R, Instant>.second: Value<R, Int>
+		get() = of(this).second
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@kotlin.internal.LowPriorityInOverloadResolution
+	@Suppress("INVISIBLE_REFERENCE")
+	@OptIn(LowLevelApi::class)
+	val Instant.second: Value<Any, Int>
+		get() = of(this).second
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	@Suppress("WRONG_MODIFIER_CONTAINING_DECLARATION")
+	@get:JvmName("secondOfObjectId")
+	final val <R : Any> Value<R, ObjectId>.second: Value<R, Int>
+		get() = UnaryOperator(context, "second", this)
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	@Suppress("WRONG_MODIFIER_CONTAINING_DECLARATION")
+	@get:JvmName("secondOfObjectId")
+	final val <R : Any> opensavvy.ktmongo.dsl.path.Field<R, ObjectId>.second: Value<R, Int>
+		get() = of(this).second
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	@Suppress("WRONG_MODIFIER_CONTAINING_DECLARATION")
+	@get:JvmName("secondOfObjectId")
+	final val <R : Any> kotlin.reflect.KProperty1<R, ObjectId>.second: Value<R, Int>
+		get() = of(this).second
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@kotlin.internal.LowPriorityInOverloadResolution
+	@OptIn(LowLevelApi::class)
+	@Suppress("INVISIBLE_REFERENCE", "WRONG_MODIFIER_CONTAINING_DECLARATION")
+	@get:JvmName("secondOfObjectId")
+	final val ObjectId.second: Value<Any, Int>
+		get() = of(this).second
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	@Suppress("WRONG_MODIFIER_CONTAINING_DECLARATION")
+	@get:JvmName("secondOfTimestamp")
+	final val <R : Any> Value<R, Timestamp>.second: Value<R, Int>
+		get() = UnaryOperator(context, "second", this)
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	@Suppress("WRONG_MODIFIER_CONTAINING_DECLARATION")
+	@get:JvmName("secondOfTimestamp")
+	final val <R : Any> opensavvy.ktmongo.dsl.path.Field<R, Timestamp>.second: Value<R, Int>
+		get() = of(this).second
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@OptIn(LowLevelApi::class)
+	@Suppress("WRONG_MODIFIER_CONTAINING_DECLARATION")
+	@get:JvmName("secondOfTimestamp")
+	final val <R : Any> kotlin.reflect.KProperty1<R, Timestamp>.second: Value<R, Int>
+		get() = of(this).second
+
+	/**
+	 * Returns the second portion of a date as a number between `0` and `60` (leap seconds).
+	 *
+	 * The accepted date types are [Instant], [ObjectId] and [Timestamp].
+	 *
+	 * ### Example
+	 *
+	 * ```kotlin
+	 * class User(
+	 *     val name: String,
+	 *     val birthdate: Instant,
+	 *     val birthsecond: Int? = null,
+	 * )
+	 *
+	 * users.updateManyWithPipeline {
+	 *     set {
+	 *         User::birthsecond set User::birthdate.second
+	 *     }
+	 * }
+	 * ```
+	 *
+	 * ### External resources
+	 *
+	 * - [Official documentation](https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/)
+	 */
+	@kotlin.internal.LowPriorityInOverloadResolution
+	@OptIn(LowLevelApi::class)
+	@Suppress("INVISIBLE_REFERENCE", "WRONG_MODIFIER_CONTAINING_DECLARATION")
+	@get:JvmName("secondOfTimestamp")
+	final val Timestamp.second: Value<Any, Int>
+		get() = of(this).second
+
 	// endregion
 
 	@LowLevelApi
diff --git a/dsl/src/commonTest/kotlin/aggregation/operators/DateTimeValueOperatorsTest.kt b/dsl/src/commonTest/kotlin/aggregation/operators/DateTimeValueOperatorsTest.kt
index 16eece53..18024dba 100644
--- a/dsl/src/commonTest/kotlin/aggregation/operators/DateTimeValueOperatorsTest.kt
+++ b/dsl/src/commonTest/kotlin/aggregation/operators/DateTimeValueOperatorsTest.kt
@@ -27,6 +27,7 @@ val DateTimeValueOperatorsTest by multiContextSuite {
 		val date: Instant,
 		val year: Int,
 		val week: Int,
+		val second: Int,
 	)
 
 	test($$"$year") {
@@ -65,4 +66,22 @@ val DateTimeValueOperatorsTest by multiContextSuite {
 			""".trimIndent())
 	}
 
+	test($$"$second") {
+		TestPipeline<Target>()
+			.set {
+				Target::second set Target::date.second
+			}
+			.shouldBeBson($$"""
+				[
+					{
+						"$set": {
+							"second": {
+								"$second": "$date"
+							}
+						}
+					}
+				]
+			""".trimIndent())
+	}
+
 }