1980 calendar
Week 1 in 1980
This ISO week runs from Monday, December 31, 1979 to Sunday, January 6, 1980. It is week 1 of 52.
This week is complete. It ran for 7 days.
1980 calendar
This ISO week runs from Monday, December 31, 1979 to Sunday, January 6, 1980. It is week 1 of 52.