=== modified file 'bin/tools/datetime_util.py'
--- bin/tools/datetime_util.py	2010-12-23 06:12:37 +0000
+++ bin/tools/datetime_util.py	2012-01-05 18:31:18 +0000
@@ -157,15 +157,14 @@
             tz_offset=tz_offset, ignore_unparsable_time=ignore_unparsable_time)
 
 def float_time_convert(float_val):
-        hours = math.floor(abs(float_val))
-        mins = round(abs(float_val)%1+0.01,2)
-        if mins >= 1.0:
-            hours = hours + 1
-            mins = 0.0
-        else:
-            mins = mins * 60
-        float_time = '%02d:%02d' % (hours,mins)
-        return float_time
+    hours = math.floor(abs(float_val))
+    mins = abs(float_val) - hours
+    mins = round(mins * 60)
+    if mins >= 60.0:
+        hours = hours + 1
+        mins = 0.0        
+    float_time = '%02d:%02d' % (hours,mins)
+    return float_time
 
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