Calendar Week 38 2025. 54 rows looking for a specific week number in 2024, 2025, 2026 or further?. Calendar week 38 of 2025 lasts from monday, september 15, 2025 to sunday, september 21, 2025.

Also holidays, red days, flag days, namedays, days off, and dates for easter, pentecost, and midsummer. The following table shows all iso calendar weeks 2025 from 1 to 53, with their start date beginning on monday and their end date falling on sunday.