2025 Calendar Year By Week Number. Use our week calculator to know the exact dates of any of them. 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.

On this website we’ve also listed annual and monthly calendars including 2024, 2025 and 2026. Total number of weeks in 2025 year, presented as excel table calendar.