Got time change hooked up but gained a spurious call to change on date

change.

common/djangoapps/models/settings/course_details.py

@@ -1,11 +1,10 @@
 from xmodule.modulestore.django import modulestore
-from xmodule.course_module import CourseDescriptor
 from xmodule.modulestore import Location
 from xmodule.modulestore.exceptions import ItemNotFoundError
 import json
 from json.encoder import JSONEncoder
 import time
-from util.converters import time_to_date, jsdate_to_time
+from util.converters import jsdate_to_time, time_to_date
 
 class CourseDetails:
     def __init__(self, location):

common/djangoapps/util/converters.py

@@ -1,11 +1,12 @@
 import time, datetime
 import re
+import calendar
 
 def time_to_date(time_obj):
     """
     Convert a time.time_struct to a true universal time (can pass to js Date constructor)
     """
-    return time.mktime(time_obj) * 1000
+    return calendar.timegm(time_obj) * 1000
 
 def jsdate_to_time(field):
     """