October 17, 2039 (Monday) to October 23, 2039 (Sunday)
Week 42 of 2039 runs from October 17, 2039 (Monday) to October 23, 2039 (Sunday). This is the 42th week of the year according to the ISO 8601 standard, in which weeks start on Monday.
Oct 17 is a Monday. It is the first day of Week 42 of 2039.
Oct 23 is a Sunday. It is the last day of Week 42 of 2039.
Oct 17 is in Week 42 of 2039 according to ISO 8601.
Oct 23 is in Week 42 of 2039 according to ISO 8601.
Week 42 of 2039 runs from October 17, 2039 to October 23, 2039.
Week 42 of 2039 starts on October 17, 2039, the 290th day of 2039.
Yes, all 7 days of Week 42 of 2039 fall within 2039.
2039 has 52 weeks according to ISO 8601.