From 4a72e687d3ba4ff3a307d185a2b142d4c157b01a Mon Sep 17 00:00:00 2001
From: Michael Withagen <michael.withagen@live.com>
Date: Tue, 10 Dec 2024 12:09:01 +0100
Subject: [PATCH] Update implicit nullable

---
 src/Time.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Time.php b/src/Time.php
index d7f6496..58c694c 100644
--- a/src/Time.php
+++ b/src/Time.php
@@ -80,7 +80,7 @@ public function diff(self $time): DateInterval
         return $this->toDateTime()->diff($time->toDateTime());
     }
 
-    public function toDateTime(DateTimeInterface $date = null): DateTimeInterface
+    public function toDateTime(?DateTimeInterface $date = null): DateTimeInterface
     {
         $date = $date ? $this->copyDateTime($date) : new DateTime('1970-01-01 00:00:00');