2099–2100 Calendar

24 months from January 2099 to December 2100 with US federal holidays highlighted.

2099 Calendar

January 209920 work days
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February 209919 work days
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March 209922 work days
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April 209922 work days
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May 209920 work days
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June 209921 work days
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July 209922 work days
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August 209921 work days
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September 209921 work days
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October 209921 work days
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November 209919 work days
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December 209922 work days
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31

2100 Calendar

January 210019 work days
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February 210019 work days
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March 210023 work days
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April 210022 work days
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May 210020 work days
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June 210021 work days
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July 210021 work days
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August 210022 work days
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September 210021 work days
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October 210020 work days
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November 210020 work days
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December 210021 work days
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2099 vs 2100

YearStarts onDaysISO weeksUS working daysFederal holidaysLong weekends
2099Thursday365532501110
2100Friday365522491112

2099–2100 Calendar FAQ

How many days are in 2099 and 2100 together?

2099 has 365 days and 2100 has 365, so the two years cover 730 days and 499 US working days.

What day does 2100 start on?

December 31, 2099 is a Thursday and January 1, 2100 is a Friday.

Is there a leap year in 2099–2100?

No. Both 2099 and 2100 have 365 days.

Make a Printable 2099–2100 Calendar

Start in January 2099, add your events across both years, and export the months you need as a PDF.

Customize the 2099–2100 Calendar