diff --git a/src/plot/plaxis.cpp b/src/plot/plaxis.cpp
index a1eac6e6..3c57931a 100644
--- a/src/plot/plaxis.cpp
+++ b/src/plot/plaxis.cpp
@@ -668,30 +668,21 @@ void wxPLTimeAxis::RecalculateTicksAndLabel() {
 
     //We need to figure out whether we are looking at hours, days, or months, and label the graph appropriately.
     wxDateTime timeKeeper(1, wxDateTime::Jan, 1971, 0, 0, 0); // works all time zones
+    wxDateTime timeKeeperRef(1, wxDateTime::Jan, 1971, 0, 0, 0); // works all time zones
 
     // leap year for min and max values
     // both are tracked as hours since Jan 1, 1971 
-    int m_min_days_to_add = 0, m_max_days_to_add = 0;
+    int m_min_days_to_add = 0;
     int m_min_num_years = m_min / 8760;
     int m_max_num_years = m_max / 8760;
 
-    wxDateTime m_min_dt = timeKeeper;
     for (size_t i = 0; i < m_min_num_years; i++) {
         //wxDateTime dt = timeKeeper.Add() later than Feb 28
 //        auto ndays = timeKeeper.GetNumberOfDays(i);
-        if (m_min_dt.IsLeapYear(i))// && m_min_dt.IsLaterThan(dt))
+        if (timeKeeperRef.IsLeapYear(i))// && m_min_dt.IsLaterThan(dt))
             m_min_days_to_add++;
 //        m_min_dt.Add(wxTimeSpan::Days(ndays+1));
     }
-    // can start with m_min_days_to_add
-    wxDateTime m_max_dt = timeKeeper;
-    for (size_t i = 0; i < m_max_num_years; i++) {
-        //wxDateTime dt = timeKeeper.Add() later than Feb 28
-        auto ndays = timeKeeper.GetNumberOfDays(i);
-        if (m_max_dt.IsLeapYear())// && m_min_dt.IsLaterThan(dt))
-            m_max_days_to_add++;
-        m_max_dt.Add(wxTimeSpan::Days(ndays +1));
-    }
 
 
 
@@ -730,9 +721,12 @@ void wxPLTimeAxis::RecalculateTicksAndLabel() {
             timeKeeper2.Add(wxTimeSpan::Hour());
         }
 
-        if ((timeKeeper.GetMonth() == wxDateTime::Feb && timeKeeper.GetDay() == 29))
+        // TODO condition needs to be if leap year and day of year > 2/28 then add a day...
+        if ((timeKeeper.GetDayOfYear() > (31 + 27)) && (timeKeeperRef.IsLeapYear(m_min/8760)))
+//        if ((timeKeeper.GetMonth() == wxDateTime::Feb && timeKeeper.GetDay() == 29))
             timeKeeper.Add(wxTimeSpan::Hours(24));
-        if ((timeKeeper2.GetMonth() == wxDateTime::Feb && timeKeeper2.GetDay() == 29))
+//        if ((timeKeeper2.GetMonth() == wxDateTime::Feb && timeKeeper2.GetDay() == 29))
+        if ((timeKeeper2.GetDayOfYear() > (31 + 27)) && (timeKeeperRef.IsLeapYear(m_min / 8760)))
             timeKeeper2.Add(wxTimeSpan::Hours(24));
 
         //if (!(timeKeeper.GetMonth() == wxDateTime::Feb && timeKeeper.GetDay() == 29) 
@@ -781,14 +775,14 @@ void wxPLTimeAxis::RecalculateTicksAndLabel() {
         }
 
         do {
-            if (!(timeKeeper.GetMonth() == wxDateTime::Feb && timeKeeper.GetDay() == 29)) {
-                auto str = timeKeeper.Format("%b %d");
-                m_tickList.push_back(TickData(time, str, TickData::NONE));
-                time += 12;
-                if (time < m_max)
-                    m_tickList.push_back(TickData(time, wxEmptyString, TickData::LARGE)); // midnight
-                time += 12;
-            }
+            if ((timeKeeper.GetMonth() == wxDateTime::Feb && timeKeeper.GetDay() == 29)) 
+                timeKeeper.Add(wxTimeSpan::Hours(24));
+            auto str = timeKeeper.Format("%b %d");
+            m_tickList.push_back(TickData(time, str, TickData::NONE));
+            time += 12;
+            if (time < m_max)
+                m_tickList.push_back(TickData(time, wxEmptyString, TickData::LARGE)); // midnight
+            time += 12;
             timeKeeper.Add(wxTimeSpan::Hours(24));
         } while (time < m_max);
     } else {