ISO Week Number for Monday, May 19, 2025
ISO 8601 calendar week analysis & DevOven graphic week breakdown for 2025-05-19.
Result & Live Analytics
Calculated Result
ISO Week 21
✨ Quarter Q2 • Day 139 of Year (2025-05-19 to 2025-05-25)
Year Progress40%
Week 21
ISO Week Number
Q2
Quarter
Day 139
Day of Year
31 Weeks
Weeks Remaining
Breakdown & Analysis
The date Monday, May 19, 2025 (2025-05-19) is officially ISO Week Number 21 of ISO Year 2025. This week begins on Monday, 2025-05-19 and concludes on Sunday, 2025-05-25.
ISO Year 2025 contains 52 total weeks. Week 21 falls in Quarter Q2 and represents Day 139 of the year (40% annual completion), leaving 31 weeks remaining.
Frequently Asked Questions
What ISO week number is 2025-05-19?
2025-05-19 falls in ISO Week Number 21 of ISO Year 2025.
What are the start and end dates for Week 21 (2025)?
ISO Week 21 begins on Monday, 2025-05-19 and ends on Sunday, 2025-05-25.
What is the day of year and quarter for 2025-05-19?
2025-05-19 is Day 139 of the year and falls in Quarter Q2.
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