diff --git a/kotlin/meetup/src/main/kotlin/Meetup.kt b/kotlin/meetup/src/main/kotlin/Meetup.kt
index 3191aae..e1889a9 100644
--- a/kotlin/meetup/src/main/kotlin/Meetup.kt
+++ b/kotlin/meetup/src/main/kotlin/Meetup.kt
@@ -1,2 +1,33 @@
-class Meetup {
+import java.time.DayOfWeek
+import java.time.LocalDate
+import java.time.temporal.*
+
+data class Meetup(val month: Int, val year: Int) {
+    fun day(dayOfWeek: DayOfWeek, scheduleDay: MeetupSchedule): LocalDate {
+        val d = LocalDate.of(year, month, 1)
+        if (scheduleDay == MeetupSchedule.FIRST){
+            return d.with(TemporalAdjusters.firstInMonth(dayOfWeek))
+        }
+        if (scheduleDay == MeetupSchedule.SECOND){
+            return d.with(TemporalAdjusters.firstInMonth(dayOfWeek)).plusDays(7)
+        }
+        if (scheduleDay == MeetupSchedule.THIRD) {
+            return d.with(TemporalAdjusters.firstInMonth(dayOfWeek)).plusDays(14)
+        }
+        if (scheduleDay == MeetupSchedule.FOURTH){
+            return d.with(TemporalAdjusters.firstInMonth(dayOfWeek)).plusDays(21)
+        }
+        if (scheduleDay == MeetupSchedule.LAST){
+            return d.with(TemporalAdjusters.lastInMonth(dayOfWeek))
+        }
+        if (scheduleDay == MeetupSchedule.TEENTH){
+            return if ((d.with(TemporalAdjusters.firstInMonth(dayOfWeek)).plusDays(7).dayOfMonth > 12)
+                    and (d.with(TemporalAdjusters.firstInMonth(dayOfWeek)).plusDays(7).dayOfMonth < 20)){
+                d.with(TemporalAdjusters.firstInMonth(dayOfWeek)).plusDays(7)
+            }
+            else return d.with(TemporalAdjusters.firstInMonth(dayOfWeek)).plusDays(14)
+        }
+
+        return LocalDate.MAX
+    }
 }
\ No newline at end of file