def format_system_datetime(datetime=None, rebase=True):

  from kay.utils import to_local_timezone
  if rebase:
    datetime = to_local_timezone(datetime)
  return u'%d-%02d-%02d %02d:%02d' % (
    datetime.year,
    datetime.month,
    datetime.day,
    datetime.hour,
    datetime.minute
  )
x and y are ints in the same coordnit system as update center and the origin
dataset/ETHPy150Open IanLewis/kay/kay/i18n/__init__.py/format_system_datetime--crossover with--dataset/ETHPy150Open Craig-Macomber/Panda3D-Terrain-System/tileUtil.py/ToroidalCache.get