diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f6325b..c6ae625 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@
 * Versions:
   * `Coroutines`: `1.4.1` -> `1.4.2`
   * `Klock`: `2.0.0` -> `2.0.1`
+* `CronDateTimeScheduler` now is public
+* New functions for `CronDateTimeScheduler`
 * Add `CollectionKronScheduler`. It will give opportunity to unite several schedulers in one
 
 ## 0.4.0
diff --git a/src/commonMain/kotlin/dev/inmo/krontab/internal/CronDateTimeScheduler.kt b/src/commonMain/kotlin/dev/inmo/krontab/internal/CronDateTimeScheduler.kt
index 5d83a3c..db6873a 100644
--- a/src/commonMain/kotlin/dev/inmo/krontab/internal/CronDateTimeScheduler.kt
+++ b/src/commonMain/kotlin/dev/inmo/krontab/internal/CronDateTimeScheduler.kt
@@ -17,7 +17,7 @@ import dev.inmo.krontab.anyCronDateTime
  * @see dev.inmo.krontab.builder.buildSchedule
  * @see dev.inmo.krontab.builder.SchedulerBuilder
  */
-internal data class CronDateTimeScheduler internal constructor(
+data class CronDateTimeScheduler internal constructor(
     internal val cronDateTimes: List<CronDateTime>
 ) : KronScheduler {
     /**
@@ -35,6 +35,17 @@ internal data class CronDateTimeScheduler internal constructor(
  * [kronDateTimeSchedulers] included
  */
 @Suppress("NOTHING_TO_INLINE")
-internal inline fun merge(kronDateTimeSchedulers: List<CronDateTimeScheduler>) = CronDateTimeScheduler(
+fun merge(kronDateTimeSchedulers: List<CronDateTimeScheduler>) = CronDateTimeScheduler(
     kronDateTimeSchedulers.flatMap { it.cronDateTimes }.distinct()
 )
+
+/**
+ * @return Vararg shortcyut for [merge]
+ */
+@Suppress("NOTHING_TO_INLINE")
+inline fun merge(vararg kronDateTimeSchedulers: CronDateTimeScheduler) = merge(kronDateTimeSchedulers.toList())
+/**
+ * Use [merge] operation to internalcreate new [CronDateTimeScheduler] with all [CronDateTimeScheduler.cronDateTimes]
+ */
+@Suppress("NOTHING_TO_INLINE")
+inline fun CronDateTimeScheduler.plus(other: CronDateTimeScheduler) = merge(this, other)