Week 1 of 2027
Week 1 of 2027 runs from Monday, January 4, to Sunday, January 10. See every date, weekday count and adjacent ISO weeks.
ISO week 1January 4–10, 2027Monday through Sunday · 5 weekdays · 2 weekend days
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Week 1 at a glance
ISO code2027-W01
Calendar spanJanuary
QuarterQ1 2027
Day of year4–10
Dates in week 1
| Day | Date | Type |
|---|---|---|
| Monday | Weekday | |
| Tuesday | Weekday | |
| Wednesday | Weekday | |
| Thursday | Weekday | |
| Friday | Weekday | |
| Saturday | Weekend | |
| Sunday | Weekend |
About week 1 of 2027
Week 1 of 2027 runs from January 4, 2027 through January 10, 2027. It covers 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.