diff --git a/Mods/BreathOfTheWild_DayLength/patches.txt b/Mods/BreathOfTheWild_DayLength/patches.txt
new file mode 100644
index 00000000..04e83487
--- /dev/null
+++ b/Mods/BreathOfTheWild_DayLength/patches.txt
@@ -0,0 +1,4 @@
+[BotwV208]
+moduleMatches = 0x6267BFD0
+
+0x10301844 = .float (1/(120*$timeScale))
diff --git a/Mods/BreathOfTheWild_DayLength/rules.txt b/Mods/BreathOfTheWild_DayLength/rules.txt
new file mode 100644
index 00000000..483f4735
--- /dev/null
+++ b/Mods/BreathOfTheWild_DayLength/rules.txt
@@ -0,0 +1,42 @@
+[Definition]
+titleIds = 00050000101C9300,00050000101C9400,00050000101C9500
+name = Day Length
+path = "The Legend of Zelda: Breath of the Wild/Mods/Day Length"
+description = Changes the amount of real time an in game day takes.  Any game slowdown will make the actual time longer.
+version = 3
+
+[Preset]
+name = 48 minutes
+$timeScale = 2
+
+[Preset]
+name = 72 minutes
+$timeScale = 3
+
+[Preset]
+name = 96 minutes
+$timeScale = 4
+
+[Preset]
+name = 2 hours
+$timeScale = 5
+
+[Preset]
+name = 4 hours
+$timeScale = 10
+
+[Preset]
+name = 6 hours
+$timeScale = 15
+
+[Preset]
+name = 8 hours
+$timeScale = 20
+
+[Preset]
+name = 12 hours
+$timeScale = 30
+
+[Preset]
+name = 24 hours
+$timeScale = 60