code: def get_seconds_until_next_quarter(now=None):
      
      if now is None:
          now = arrow.utcnow()
      return 899 - (now - now.replace(minute=(now.minute // 15) * 15, second=0, microsecond=0)).seconds
docs: Returns the number of seconds until the next quarter of an hour. This is the short-term rate limit used by Strava.
      :param now: A (utc) timestamp
      :type now: arrow.arrow.Arrow
      :return: the number of seconds until the next quarter, as int