     original = command.slice 0
 
     [start, end] = user.activeHours()
-    tz = timezone || user.timetable.timezone.name
+    tz = timezone or user.timetable.timezone.name
     [times, command] = _parseTime command, start, end, timezone
     [dates, command] = _parseDate command
 


_parseProjects = (command) ->
  projects = []
  command = command.trimLeft() || ''
  if command.indexOf('in') is 0
    command = command.replace 'in', ''
    command = command.trimLeft()


_parseTime = (command, activeStart, activeEnd, tz) ->
  # parse time component
  command = command.trimLeft() or ''
  if command.indexOf('at') is 0
    command = command.replace 'at', ''
    command = command.trimLeft()
