diff --git a/app/index.php b/app/index.php
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..4b9c8d2e461742aab5e44ca4af2bc74ae010b847 100644
--- a/app/index.php
+++ b/app/index.php
@@ -0,0 +1,6 @@
+<?php
+
+require_once ('repository/HowDaysToNY.php');
+
+$today = new DateTimeImmutable('now');
+echo ("Дней до нового года (в днях): ".howDaysToNy($today));
\ No newline at end of file
diff --git a/app/repository/HowDaysToNY.php b/app/repository/HowDaysToNY.php
new file mode 100644
index 0000000000000000000000000000000000000000..2c84dce175cb1f50355192f6d3a8bb68026c3aaa
--- /dev/null
+++ b/app/repository/HowDaysToNY.php
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * Функция рассчитывает кол-во дней до нового года
+ * @param DateTime $date дата от которой, необходимо рассчитать кол-во дней
+ * @return int
+ */
+function howDaysToNy(DateTimeImmutable $date): int {
+    $nextYear = intval($date->format('Y')) + 1;
+    $dateOfNY = new DateTime();
+    $dateOfNY->setDate($nextYear, 01, 01);
+
+    $interval = $dateOfNY->diff($date);
+
+    return $interval->format('%a');
+
+}