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Home/Calendars/2025/Monday Start

2025 Calendar Starting on Monday

Every month of 2025 with Monday in the first column and the weekend at the end of each row. January 1 is a Wednesday, the first Monday is Monday, January 6, 2025, and the year has 52 Mondays. September and December start on a Monday.

January 202521 work days
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February 202519 work days
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March 202521 work days
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April 202522 work days
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May 202521 work days
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June 202520 work days
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July 202522 work days
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August 202521 work days
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September 202521 work days
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October 202522 work days
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November 202518 work days
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December 202522 work days
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2025 Monday-Start Calendar FAQ

Which months of 2025 start on a Monday?

In 2025, September and December start on a Monday, so they have no blank cells in the first row of a Monday-start calendar.

How many Mondays are in 2025?

2025 has 52 Mondays. The first is Monday, January 6, 2025.

When does the first full Monday-to-Sunday week of 2025 start?

The first Monday of 2025 is Monday, January 6, 2025. ISO week 1, the week that holds the first Thursday of January, starts on Monday, December 30, 2024.

Why start the week on Monday?

The ISO 8601 standard and most of Europe count Monday as the first day of the week. Saturday and Sunday then sit together at the end of each row, which makes weekends easy to see and lines up with ISO week numbers.

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