Week 39 Calendar 2025. The year 2025 is not a leap year. 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.
The year 2025 starts on wednesday, january 01, 2025, and ends on wednesday, december 31, 2025. Check the current week number and convert between dates and week numbers on weeknumber.com.