def is_holiday(date_time):
	""" Function to determine whether the date is holiday or not.
	Args:
		date_time: Pandas datetime object for judgement.
	Returns:
		0 - Not a holiday. 1 - Holiday.
	"""

	# Mid-Autumn Festival.
	if date_time.month == 9 and date_time.day >= 15 and date_time.day <= 17:
		return 1
	# National Day.
	elif date_time.month == 10 and date_time.day >= 1 and date_time.day <= 7:
		return 1
	return 0