US Week Number Calculator
Calculate week numbers using US standard (weeks start on Sunday)
US Week Results
US Week Number
22
Day of Year
148
Quarter
Q2
Week Start
Sun, May 24
Week End
Sat, May 30
Day of Week
Thursday (5/7)
Weekend Status
2 day(s) until Saturday
About US Week Numbering
- Weeks start on Sunday and end on Saturday
- Week 1 is the week containing January 1
- This differs from ISO week numbering used internationally
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.