Week 04, 1980
Week 04 of 1980 spans from Monday, January 21, 1980 to Sunday, January 27, 1980, according to the ISO 8601 date standard.
| Day of Week | Date |
|---|---|
| Monday | Monday, January 21, 1980 |
| Tuesday | Tuesday, January 22, 1980 |
| Wednesday | Wednesday, January 23, 1980 |
| Thursday | Thursday, January 24, 1980 |
| Friday | Friday, January 25, 1980 |
| Saturday | Saturday, January 26, 1980 |
| Sunday | Sunday, January 27, 1980 |
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How many weeks in year 1980?
There are 52 weeks in year 1980 according to the ISO 8601 standard.