January 27, 2042 (Monday) to February 2, 2042 (Sunday)
Week 5 of 2042 runs from January 27, 2042 (Monday) to February 2, 2042 (Sunday). This is the 5th week of the year according to the ISO 8601 standard, in which weeks start on Monday.
Jan 27 is a Monday. It is the first day of Week 5 of 2042.
Feb 2 is a Sunday. It is the last day of Week 5 of 2042.
Jan 27 is in Week 5 of 2042 according to ISO 8601.
Feb 2 is in Week 5 of 2042 according to ISO 8601.
Week 5 of 2042 runs from January 27, 2042 to February 2, 2042.
Week 5 of 2042 starts on January 27, 2042, the 27th day of 2042.
Yes, all 7 days of Week 5 of 2042 fall within 2042.
2042 has 52 weeks according to ISO 8601.