diff --git a/tgbot.py b/tgbot.py
index 65f40d7..67082e7 100644
--- a/tgbot.py
+++ b/tgbot.py
@@ -409,6 +409,10 @@ class TelegramBot:
 
         if time_until_slot < 3600:  # If less than 1 hour
             return 300  # 5 minutes
+        if time_until_slot < 3600 * 2:  # If less than 2 hour
+            return 600  # 10 minutes
+        if time_until_slot < 3600 * 3:  # If less than 3 hour
+            return 900  # 15 minutes
         else:
             return 1800  # 30 minutes