January 12, 2037 (Monday) to January 18, 2037 (Sunday)
Week 3 of 2037 runs from January 12, 2037 (Monday) to January 18, 2037 (Sunday). This is the 3th week of the year according to the ISO 8601 standard, in which weeks start on Monday.
Jan 12 is a Monday. It is the first day of Week 3 of 2037.
Jan 18 is a Sunday. It is the last day of Week 3 of 2037.
Jan 12 is in Week 3 of 2037 according to ISO 8601.
Jan 18 is in Week 3 of 2037 according to ISO 8601.
Week 3 of 2037 runs from January 12, 2037 to January 18, 2037.
Week 3 of 2037 starts on January 12, 2037, the 12th day of 2037.
Yes, all 7 days of Week 3 of 2037 fall within 2037.
2037 has 53 weeks according to ISO 8601.