Week Number January 2025

Calculate and view week numbers for the year or a specific month. Select different standards to see how they compare.

ISO 8601 standard: Weeks start on Monday, and the first week of the year contains the first Thursday.

WeekMonTueWedThuFriSatSun
Week 53303112345
Week 16789101112
Week 213141516171819
Week 320212223242526
Week 4272829303112

Exploring the January 2025 Calendar

The calendar for January 2025 is structured across 5 weeks. This view helps in detailed monthly planning, from tracking project milestones to scheduling personal appointments. The week numbers, determined by the ISO 8601 standard, provide a clear framework.

Frequently Asked Questions for January 2025

How many weeks are in January 2025?

January 2025 has 4 complete weeks plus 3 additional days.

January 2025 spans across 5 weeks in total. Note that some weeks may be shared with the previous or next month.

What are the key facts about January 2025?

  • Starts on Wednesday
  • 31 days total
  • 4 complete weeks + 3 days
  • Week numbers determined by the ISO 8601 standard

Does the January 2025 calendar start on Monday?

Whether the calendar starts on a Monday depends on the selected standard. The ISO 8601 standard has weeks starting on a Monday. You can easily switch between standards to see the different layouts.

For January 2025 specifically, the month starts on a Wednesday.

January 2025 Week Numbers | Australian Week Number Calculator