diff --git a/src/Day.tsx b/src/Day.tsx
index 3cdb92b23..c80f15763 100644
--- a/src/Day.tsx
+++ b/src/Day.tsx
@@ -90,8 +90,7 @@ export default class Day<
             <Text style={[styles.text, textStyle]}>
               {moment(currentMessage.createdAt)
                 .locale(this.context.getLocale())
-                .format(dateFormat)
-                .toUpperCase()}
+                .format(dateFormat)}
             </Text>
           </View>
         </View>