diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index 1de838d4..9ebc2adb 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -15,6 +15,7 @@ from pandas import DataFrame,Series
 from pytz import timezone as tz,utc
 from django.utils import timezone
 from time import strftime,strptime,mktime,time,daylight
+import arrow
 from django.utils.timezone import get_current_timezone
 thetimezone = get_current_timezone()
 from rowingdata import (
@@ -1012,7 +1013,8 @@ def new_workout_from_df(r,df,
 
     df.rename(columns = columndict,inplace=True)
 
-    starttimeunix = mktime(startdatetime.utctimetuple())
+    #starttimeunix = mktime(startdatetime.utctimetuple())
+    starttimeunix = arrow.get(startdatetime).timestamp
     df[' ElapsedTime (sec)'] = df['TimeStamp (sec)']
 
     df['TimeStamp (sec)'] = df['TimeStamp (sec)']+starttimeunix
diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index a10c5763..989e4401 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -691,8 +691,23 @@ def leaflet_chart(lat,lon,name=""):
     if lat.empty or lon.empty:
         return [0,"invalid coordinate data"]
 
+
+    # Throw out 0,0
+    df = pd.DataFrame({
+        'lat':lat,
+        'lon':lon
+        })
+
+    df = df.replace(0,np.nan)
+    df = df.loc[(df!=0).any(axis=1)]
+    lat = df['lat']
+    lon = df['lon']
+    if lat.empty or lon.empty:
+        return [0,"invalid coordinate data"]
+    
     latmean = lat.mean()
     lonmean = lon.mean()
+
     latbegin = lat[lat.index[0]]
     longbegin = lon[lon.index[0]]
     latend = lat[lat.index[-1]]
@@ -796,6 +811,20 @@ def leaflet_chart2(lat,lon,name=""):
     if lat.empty or lon.empty:
         return [0,"invalid coordinate data"]
 
+
+    # Throw out 0,0
+    df = pd.DataFrame({
+        'lat':lat,
+        'lon':lon
+        })
+
+    df = df.replace(0,np.nan)
+    df = df.loc[(df!=0).any(axis=1)]
+    lat = df['lat']
+    lon = df['lon']
+    if lat.empty or lon.empty:
+        return [0,"invalid coordinate data"]
+
     latmean = lat.mean()
     lonmean = lon.mean()
     latbegin = lat[lat.index[0]]
diff --git a/rowers/templates/developers.html b/rowers/templates/developers.html
index b81bb596..117a4547 100644
--- a/rowers/templates/developers.html
+++ b/rowers/templates/developers.html
@@ -126,6 +126,10 @@
       expires,
       use the refresh token to refresh it.</p>
 
+    <p>The redirect URI for user authentication has to be <i>https</i>.
+      Developers of iOS or Android apps should contact me directly if
+      this doesn't work for them. I can add exceptions.</p>
+    
     <p>The POST call must have content-type: <i>x-www-form-urlencoded</i>.
       I set it this way to support the handy testing utility mentioned
       belower. However,
diff --git a/rowers/templates/list_workouts.html b/rowers/templates/list_workouts.html
index d2158284..61cbc9ae 100644
--- a/rowers/templates/list_workouts.html
+++ b/rowers/templates/list_workouts.html
@@ -51,7 +51,7 @@
     <table width="100%" class="listtable shortpadded">
       <thead>
         <tr>
-          <th style="width:80px"> Date</th>
+          <th style="width:80"> Date</th>
           <th> Time</th>
           <th> Name</th>
           <th> Type</th>
@@ -76,9 +76,9 @@
           {% else %}
         <tr>
           {% endif %}
-            <td> {{ workout.date |truncatechars:15}} </td>
-            <td> {{ workout.starttime }} </td>
-            <td>
+          <td> {{ workout.date|date:"Y-m-d" }} </td>
+          <td> {{ workout.starttime|date:"H:i" }} </td>
+          <td>
               {% if workout.user.user == user or user == team.manager %}
               {% if workout.rankingpiece %}
               [RANKING PIECE]
diff --git a/rowers/views.py b/rowers/views.py
index 48afb7d4..4e0c38e5 100644
--- a/rowers/views.py
+++ b/rowers/views.py
@@ -4342,17 +4342,17 @@ def workouts_view(request,message='',successmessage='',
         if theteam.viewing == 'allmembers' or theteam.manager == request.user:
             workouts = Workout.objects.filter(team=theteam,
                                           startdatetime__gte=startdate,
-                                          startdatetime__lte=enddate).order_by("-date", "-starttime")
+                                          startdatetime__lte=enddate).order_by("-startdatetime")
             g_workouts = Workout.objects.filter(team=theteam,
                                                 startdatetime__gte=activity_startdate,
                                                 startdatetime__lte=activity_enddate).order_by("-date", "-starttime")
         elif theteam.viewing == 'coachonly':
             workouts = Workout.objects.filter(team=theteam,user=r,
                                               startdatetime__gte=startdate,
-                                              startdatetime__lte=enddate).order_by("-date","-starttime")
+                                              startdatetime__lte=enddate).order_by("-startdatetime")
             g_workouts = Workout.objects.filter(team=theteam,user=r,
                                                 startdatetime__gte=activity_startdate,
-                                                enddatetime__lte=activity_enddate).order_by("-date","-starttime")
+                                                enddatetime__lte=activity_enddate).order_by("-startdatetime")
 
 
     else:
@@ -4362,7 +4362,7 @@ def workouts_view(request,message='',successmessage='',
                                       startdatetime__lte=enddate).order_by("-date", "-starttime")
         g_workouts = Workout.objects.filter(user=r,
                                             startdatetime__gte=activity_startdate,
-                                            startdatetime__lte=activity_enddate).order_by("-date","-starttime")
+                                            startdatetime__lte=activity_enddate).order_by("-startdatetime")
 
     query = request.GET.get('q')
     if query:
diff --git a/rowsandall_app/settings.py b/rowsandall_app/settings.py
index 4efa6348..8148d40c 100644
--- a/rowsandall_app/settings.py
+++ b/rowsandall_app/settings.py
@@ -324,6 +324,9 @@ GMAPIKEY = CFG['gmapikey']
 OAUTH2_PROVIDER = {
     # this is the list of available scopes
     'SCOPES': {'read': 'Read scope', 'write': 'Write scope', 'groups': 'Access to your groups'},
+    'ALLOWED_REDIRECT_URI_SCHEMES': ["http",
+                                     "https",
+                                     "rowingcoachexport"]
     # 'OAUTH2_BACKEND_CLASS': 'oauth2_provider.oauth2_backends.JSONOAuthLibCore'
 }