diff --git a/Sources/JKCalendar.swift b/Sources/JKCalendar.swift
index 5b47e9a..764c3ba 100644
--- a/Sources/JKCalendar.swift
+++ b/Sources/JKCalendar.swift
@@ -68,6 +68,17 @@ public class JKCalendar: UIView {
         }
     }
     
+    public var shouldApplyPastDayColor = false
+
+    /**
+     The color of the past day text. Default value for this property is a black color. Only Used if shouldApplyPastDayColor is true
+     */
+    public var pastDayColor: UIColor = UIColor.black {
+        didSet {
+            reloadData()
+        }
+    }
+
     /**
         A Boolean value that determines whether scrolling is enabled. The default is true.
      */
diff --git a/Sources/JKCalendarView.swift b/Sources/JKCalendarView.swift
index 8fe1e2b..9ba09d3 100644
--- a/Sources/JKCalendarView.swift
+++ b/Sources/JKCalendarView.swift
@@ -517,6 +517,8 @@ class JKCalendarView: UIView{
                     return info.day >= mark.start && info.day <= mark.end
                 }) {
                     unitStrAttrs[NSAttributedString.Key.foregroundColor] = calendar.backgroundColor
+                } else if info.day.date < Date() && calendar.shouldApplyPastDayColor {
+                    unitStrAttrs[NSAttributedString.Key.foregroundColor] = calendar.pastDayColor
                 } else if info.day == month{
                     unitStrAttrs[NSAttributedString.Key.foregroundColor] = calendar.textColor
                 } else {