ISO Week Number for Monday, October 20, 2025
ISO 8601 calendar week analysis & DevOven graphic week breakdown for 2025-10-20.
Result & Live Analytics
Calculated Result
ISO Week 43
✨ Quarter Q4 • Day 293 of Year (2025-10-20 to 2025-10-26)
Year Progress83%
Week 43
ISO Week Number
Q4
Quarter
Day 293
Day of Year
9 Weeks
Weeks Remaining
Breakdown & Analysis
The date Monday, October 20, 2025 (2025-10-20) is officially ISO Week Number 43 of ISO Year 2025. This week begins on Monday, 2025-10-20 and concludes on Sunday, 2025-10-26.
ISO Year 2025 contains 52 total weeks. Week 43 falls in Quarter Q4 and represents Day 293 of the year (83% annual completion), leaving 9 weeks remaining.
Frequently Asked Questions
What ISO week number is 2025-10-20?
2025-10-20 falls in ISO Week Number 43 of ISO Year 2025.
What are the start and end dates for Week 43 (2025)?
ISO Week 43 begins on Monday, 2025-10-20 and ends on Sunday, 2025-10-26.
What is the day of year and quarter for 2025-10-20?
2025-10-20 is Day 293 of the year and falls in Quarter Q4.
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