ISO WEEK
42
2025
October 13 – October 19, 2025
Week 42 of 52
81% through 2025
Days in Week 42
MonOctober 13
Columbus Day
🌗 Last Quarter
TueOctober 14
🌗 Last Quarter
WedOctober 15
🌗 Last Quarter
ThuOctober 16
🌗 Last Quarter
FriOctober 17
🌘 Waning Crescent
SatOctober 18
🌘 Waning Crescent
SunOctober 19
🌘 Waning Crescent
Federal Holidays This Week
- Columbus Day — Monday, October 13
Moon Phases This Week
- 🌗 Last Quarter — Monday, October 13
- 🌗 Last Quarter — Tuesday, October 14
- 🌗 Last Quarter — Wednesday, October 15
- 🌗 Last Quarter — Thursday, October 16
- 🌘 Waning Crescent — Friday, October 17
- 🌘 Waning Crescent — Saturday, October 18
- 🌘 Waning Crescent — Sunday, October 19
FAQs
When does Week 42 2025 start and end?
Week 42 of 2025 starts on October 13 (Monday) and ends on October 19, 2025 (Sunday).
What month is Week 42 in?
Week 42 of 2025 is primarily in October.
How many weeks are in 2025?
2025 has 52 ISO weeks. Most years have 52 weeks.