Is it not recommended to interview on Saturdays and Sundays?

Yes.

If you are notified to come to the interview on the weekend, it is an extremely dangerous signal for job seekers and HR. Job seekers may be joining a job with 996 or even 007 working hours, or the company's own culture may not respect employees' private rest time. HR needs to recruit and interview new employees on weekends. First of all, it means that the positions the company is recruiting are high-mobility positions. It is likely that HR's K has indicators related to entry and retention time. Secondly, it often reflects the company's human resource management. specification.