That's really the case in all of South-East Asia. I lived in Singapore for two years where you'd see a full crew on all major construction projects throughout t

That's really the case in all of South-East Asia. I lived in Singapore for two years where you'd see a full crew on all major construction projects throughout the night. The only time that was really "off" was Sunday night, and even then there were skeleton crews working on this and that. Same was true most everywhere I traveled: Malaysia, Indo, HK, etc.