From 047ed7ae8545fac9db2c5f377f48f47df109850f Mon Sep 17 00:00:00 2001
From: Markus Ransberger <markusransberger@gmail.com>
Date: Fri, 29 Sep 2023 01:34:11 +0200
Subject: [PATCH] Fix for "zwanzig nach" x hours.

---
 src/matrix/render_functions.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/matrix/render_functions.cpp b/src/matrix/render_functions.cpp
index 1a6ba29..934d571 100644
--- a/src/matrix/render_functions.cpp
+++ b/src/matrix/render_functions.cpp
@@ -164,11 +164,13 @@ String time_to_string(uint8_t hours, uint8_t minutes)
         message += "FUNF VOR ";
     }
 
-    // convert hours to 12h format
-    if (minutes >= 20)
+    // increment hour when 25 minutes of an hour have passed
+    if (minutes >= 25)
     {
         hours++;
     }
+
+    // convert hours to 12h format
     if (hours > 12) // 24h -> 12h, except 12h
     {
         hours -= 12;