diff --git a/src/lib/common/globals.cpp b/src/lib/common/globals.cpp
index 3bdbb39a93..2bc490b004 100644
--- a/src/lib/common/globals.cpp
+++ b/src/lib/common/globals.cpp
@@ -543,15 +543,16 @@ static int timezoneOffset(const char* tz)
 */
 bool isLeapYear(int year)
 {
-  if (year % 4 != 0)
+  // ref: https://www.geeksforgeeks.org/program-check-given-year-leap-year/
+  if (year % 400 == 0)
   {
-    return false;
+    return true;
   }
-  if (year % 100 == 0 && year % 400 != 0)
+  if ((year % 4 == 0) && (year % 100 != 0))
   {
-    return false;
+    return true;
   }
-  return true;
+  return false;
 }