diff --git a/Frameworks/RSCore/RSCore/NSCalendar+RSCore.h b/Frameworks/RSCore/RSCore/NSCalendar+RSCore.h
index bad6b57dd..b4264aba3 100755
--- a/Frameworks/RSCore/RSCore/NSCalendar+RSCore.h
+++ b/Frameworks/RSCore/RSCore/NSCalendar+RSCore.h
@@ -8,9 +8,15 @@
 
 @import Foundation;
 
+NS_ASSUME_NONNULL_BEGIN
+
 @interface NSCalendar (RSCore)
 
 + (NSCalendar *)rs_cachedCalendar;
 + (BOOL)rs_dateIsToday:(NSDate *)d;
++ (NSDate *)rs_startOfToday NS_SWIFT_NAME(startOfToday());
 
 @end
+
+NS_ASSUME_NONNULL_END
+
diff --git a/Frameworks/RSCore/RSCore/NSCalendar+RSCore.m b/Frameworks/RSCore/RSCore/NSCalendar+RSCore.m
index 60f17d1f3..400e6066c 100755
--- a/Frameworks/RSCore/RSCore/NSCalendar+RSCore.m
+++ b/Frameworks/RSCore/RSCore/NSCalendar+RSCore.m
@@ -73,4 +73,9 @@ static NSCalendar *cachedCalendar = nil;
 }
 
 
++ (NSDate *)rs_startOfToday {
+
+	return [[self rs_cachedCalendar] startOfDayForDate:[NSDate date]];
+}
+
 @end