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Week 01, 1991
Week 01 of 1991 spans from Monday, December 31, 1990 to Sunday, January 6, 1991, according to the ISO 8601 date standard.
| Day of Week | Date |
|---|---|
| Monday | Monday, December 31, 1990 |
| Tuesday | Tuesday, January 1, 1991 |
| Wednesday | Wednesday, January 2, 1991 |
| Thursday | Thursday, January 3, 1991 |
| Friday | Friday, January 4, 1991 |
| Saturday | Saturday, January 5, 1991 |
| Sunday | Sunday, January 6, 1991 |
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How many weeks in year 1991?
There are 52 weeks in year 1991 according to the ISO 8601 standard.