You can open an account for gas on Saturday and Sunday. Natural gas companies can also handle business on weekends and holidays, unless it is a major legal holiday, such as Spring Festival, National Day and New Year&;s Day. Generally, you can handle business. Under normal circumstances, natural gas companies work from 8: 30 to 12: 00 am from Monday to Friday, from 14: 30 to 18: 00 in the afternoon, from 14: 00 to 17: 30 in winter and from 15: 00 to 18: 30 in summer. There are IC card sales and maintenance personnel on duty on Saturdays, Sundays and holidays, and there are 24-hour staff in business offices in various jurisdictions. During the long holiday, citizens have two options to buy gas.