diff --git a/src/script/api/ai/ai_date.hpp.sq b/src/script/api/ai/ai_date.hpp.sq
index 2f98a29189..81196203ba 100644
--- a/src/script/api/ai/ai_date.hpp.sq
+++ b/src/script/api/ai/ai_date.hpp.sq
@@ -21,12 +21,13 @@ void SQAIDate_Register(Squirrel *engine)
 
 	SQAIDate.DefSQConst(engine, ScriptDate::DATE_INVALID, "DATE_INVALID");
 
-	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::IsValidDate,    "IsValidDate",    2, ".i");
-	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::GetCurrentDate, "GetCurrentDate", 1, ".");
-	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::GetYear,        "GetYear",        2, ".i");
-	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::GetMonth,       "GetMonth",       2, ".i");
-	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::GetDayOfMonth,  "GetDayOfMonth",  2, ".i");
-	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::GetDate,        "GetDate",        4, ".iii");
+	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::IsValidDate,        "IsValidDate",        2, ".i");
+	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::GetCurrentDate,     "GetCurrentDate",     1, ".");
+	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::GetDayLengthFactor, "GetDayLengthFactor", 1, ".");
+	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::GetYear,            "GetYear",            2, ".i");
+	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::GetMonth,           "GetMonth",           2, ".i");
+	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::GetDayOfMonth,      "GetDayOfMonth",      2, ".i");
+	SQAIDate.DefSQStaticMethod(engine, &ScriptDate::GetDate,            "GetDate",            4, ".iii");
 
 	SQAIDate.PostRegister(engine);
 }
diff --git a/src/script/api/game/game_date.hpp.sq b/src/script/api/game/game_date.hpp.sq
index 10dc2ad24d..ed5b03940e 100644
--- a/src/script/api/game/game_date.hpp.sq
+++ b/src/script/api/game/game_date.hpp.sq
@@ -21,13 +21,14 @@ void SQGSDate_Register(Squirrel *engine)
 
 	SQGSDate.DefSQConst(engine, ScriptDate::DATE_INVALID, "DATE_INVALID");
 
-	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::IsValidDate,    "IsValidDate",    2, ".i");
-	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetCurrentDate, "GetCurrentDate", 1, ".");
-	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetYear,        "GetYear",        2, ".i");
-	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetMonth,       "GetMonth",       2, ".i");
-	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetDayOfMonth,  "GetDayOfMonth",  2, ".i");
-	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetDate,        "GetDate",        4, ".iii");
-	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetSystemTime,  "GetSystemTime",  1, ".");
+	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::IsValidDate,        "IsValidDate",        2, ".i");
+	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetCurrentDate,     "GetCurrentDate",     1, ".");
+	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetDayLengthFactor, "GetDayLengthFactor", 1, ".");
+	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetYear,            "GetYear",            2, ".i");
+	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetMonth,           "GetMonth",           2, ".i");
+	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetDayOfMonth,      "GetDayOfMonth",      2, ".i");
+	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetDate,            "GetDate",            4, ".iii");
+	SQGSDate.DefSQStaticMethod(engine, &ScriptDate::GetSystemTime,      "GetSystemTime",      1, ".");
 
 	SQGSDate.PostRegister(engine);
 }
diff --git a/src/script/api/script_date.cpp b/src/script/api/script_date.cpp
index 9946a26ec6..c103ba4527 100644
--- a/src/script/api/script_date.cpp
+++ b/src/script/api/script_date.cpp
@@ -11,6 +11,7 @@
 #include "../../stdafx.h"
 #include "script_date.hpp"
 #include "../../date_func.h"
+#include "../../settings_type.h"
 
 #include "../../safeguards.h"
 
@@ -24,6 +25,11 @@
 	return (ScriptDate::Date)_date;
 }
 
+/* static */ int32 ScriptDate::GetDayLengthFactor()
+{
+	return _settings_game.economy.day_length_factor;
+}
+
 /* static */ int32 ScriptDate::GetYear(ScriptDate::Date date)
 {
 	if (date < 0) return DATE_INVALID;
diff --git a/src/script/api/script_date.hpp b/src/script/api/script_date.hpp
index 5daa5fb03f..f919cd34fb 100644
--- a/src/script/api/script_date.hpp
+++ b/src/script/api/script_date.hpp
@@ -50,6 +50,8 @@ public:
 	 */
 	static Date GetCurrentDate();
 
+	static int32 GetDayLengthFactor();
+
 	/**
 	 * Get the year of the given date.
 	 * @param date The date to get the year of.