ISO WEEK
4
2025
January 20 – January 26, 2025
Week 4 of 52
8% through 2025
Days in Week 4
MonJanuary 20
Martin Luther King Jr. Day
🌗 Last Quarter
TueJanuary 21
🌗 Last Quarter
WedJanuary 22
🌗 Last Quarter
ThuJanuary 23
🌗 Last Quarter
FriJanuary 24
🌘 Waning Crescent
SatJanuary 25
🌘 Waning Crescent
SunJanuary 26
🌘 Waning Crescent
Federal Holidays This Week
- Martin Luther King Jr. Day — Monday, January 20
Moon Phases This Week
- 🌗 Last Quarter — Monday, January 20
- 🌗 Last Quarter — Tuesday, January 21
- 🌗 Last Quarter — Wednesday, January 22
- 🌗 Last Quarter — Thursday, January 23
- 🌘 Waning Crescent — Friday, January 24
- 🌘 Waning Crescent — Saturday, January 25
- 🌘 Waning Crescent — Sunday, January 26
FAQs
When does Week 4 2025 start and end?
Week 4 of 2025 starts on January 20 (Monday) and ends on January 26, 2025 (Sunday).
What month is Week 4 in?
Week 4 of 2025 is primarily in January.
How many weeks are in 2025?
2025 has 52 ISO weeks. Most years have 52 weeks.
