What dates are in week 4 of 2027?

Week 4 runs from January 25, 2027 through January 31, 2027.

How many weekdays are in week 4?

There are five Monday-to-Friday weekdays before country-specific public holidays are excluded.

Exact ISO week dates

Week 4 of 2027

Week 4 of 2027 runs from Monday, January 25, to Sunday, January 31. See every date, weekday count and adjacent ISO weeks.

ISO week 4January 25–January 31, 2027Monday through Sunday · 5 weekdays · 2 weekend days

Upcoming

Dates in week 4

Day	Date	Type
Monday	January 25, 2027	Weekday
Tuesday	January 26, 2027	Weekday
Wednesday	January 27, 2027	Weekday
Thursday	January 28, 2027	Weekday
Friday	January 29, 2027	Weekday
Saturday	January 30, 2027	Weekend
Sunday	January 31, 2027	Weekend

About week 4 of 2027

Week 4 of 2027 runs from Monday, January 25 through Sunday, January 31. It spans January and contains five standard Monday-to-Friday weekdays.

Public holidays are country-specific and are not removed from this basic weekday count. Use the working-days calculator when holidays need to be excluded.