ISO WEEK
42
2026
October 12 – October 18, 2026
Week 42 of 53
79% through 2026
Days in Week 42
MonOctober 12
Columbus Day
🌑 New Moon
TueOctober 13
🌒 Waxing Crescent
WedOctober 14
🌒 Waxing Crescent
ThuOctober 15
🌒 Waxing Crescent
FriOctober 16
🌒 Waxing Crescent
SatOctober 17
🌓 First Quarter
SunOctober 18
🌓 First Quarter
Federal Holidays This Week
- Columbus Day — Monday, October 12
Moon Phases This Week
- 🌑 New Moon — Monday, October 12
- 🌒 Waxing Crescent — Tuesday, October 13
- 🌒 Waxing Crescent — Wednesday, October 14
- 🌒 Waxing Crescent — Thursday, October 15
- 🌒 Waxing Crescent — Friday, October 16
- 🌓 First Quarter — Saturday, October 17
- 🌓 First Quarter — Sunday, October 18
FAQs
When does Week 42 2026 start and end?
Week 42 of 2026 starts on October 12 (Monday) and ends on October 18, 2026 (Sunday).
What month is Week 42 in?
Week 42 of 2026 is primarily in October.
How many weeks are in 2026?
2026 has 53 ISO weeks. 2026 is a long year with 53 weeks.