diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index 756038cc..c69102db 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -749,8 +749,33 @@ def clean_df_stats(datadf, workstrokesonly=True, ignorehr=True,
 
     return datadf
 
-def getpartofday(dt):
-    h = dt.hour
+def getpartofday(row,r):
+    try:
+        latavg = row.df[' latitude'].mean()
+        lonavg = row.df[' longitude'].mean()
+
+        tf = TimezoneFinder()
+        try:
+            timezone_str = tf.timezone_at(lng=lonavg, lat=latavg)
+            print(timezone_str)
+        except ValueError:
+            timezone_str = 'UTC'
+        if timezone_str == None:
+            timezone_str = tf.closest_timezone_at(lng=lonavg,
+                                                  lat=latavg)
+            if timezone_str == None:
+                timezone_str = r.defaulttimezone
+        try:
+            workoutstartdatetime = pytz.timezone(timezone_str).localize(
+                row.rowdatetime
+            )
+        except ValueError:
+            workoutstartdatetime = row.rowdatetime
+    except KeyError:
+        timezone_str = r.defaulttimezone
+
+    h = workoutstartdatetime.astimezone(pytz.timezone(timezone_str)).hour
+
     if h < 12:
         return "Morning"
     elif h < 18:
@@ -1169,7 +1194,7 @@ def save_workout_database(f2, r, dosmooth=True, workouttype='rower',
 
     if title is None or title == '':
         title = 'Workout'
-        partofday = getpartofday(row.rowdatetime)
+        partofday = getpartofday(row,r)
 
         if partofday is not None:
             title = '{partofday}  workout {workouttype}'.format(