What does anniversary mean?

What you want to ask is what do you mean by seven to six? Go to work at seven in the morning and get off work at six in the evening. According to the query of Zhaopin official website, 7: 00 am to 6: 00 am means going to work (going to school) in the morning and getting off work (leaving school) at night. 7: 00 to 6: 00 means going to work at 7: 00 in the morning (going to school) and getting off work at 6: 00 in the evening (leaving school). There are also nine to five and nine to six, which are common commuting times.