2: 00 pm to 5: 00 pm and 22: 00 pm to 7: 00 am the next day. According to Yixing's inquiry. Com, the 6.9 discount time for students in Haidilao is from 2 pm to 5 pm on weekdays and from 22 pm to 7 am the next day. You can enjoy a 6.9% discount from Saturday and Sunday morning 12 to 7: 00 the next morning. For college students, only the student ID card can't enjoy the discount, nor can they show their student ID cards. Only the corresponding coupons can be obtained, and this operation can be collected and carried out on Alipay.