October 15, 2040 (Monday) to October 21, 2040 (Sunday)
Week 42 of 2040 runs from October 15, 2040 (Monday) to October 21, 2040 (Sunday). This is the 42th week of the year according to the ISO 8601 standard, in which weeks start on Monday.
Oct 15 is a Monday. It is the first day of Week 42 of 2040.
Oct 21 is a Sunday. It is the last day of Week 42 of 2040.
Oct 15 is in Week 42 of 2040 according to ISO 8601.
Oct 21 is in Week 42 of 2040 according to ISO 8601.
Week 42 of 2040 runs from October 15, 2040 to October 21, 2040.
Week 42 of 2040 starts on October 15, 2040, the 289th day of 2040.
Yes, all 7 days of Week 42 of 2040 fall within 2040.
2040 has 52 weeks according to ISO 8601.