How to use this count
Use this weekday baseline for project planning, billing operations, tax preparation, team capacity, and subscription or renewal workflows.
💼 Business days
Business Days in December 2029
By Omellody Editorial Team · Published · UpdatedCount weekdays and weekend days in December 2029, excluding holiday adjustments.
21 business days in December 2029
21
Monday-through-Friday count for December 2029; holidays are not removed.
| Total calendar days | 31 |
|---|---|
| Weekend days | 10 |
| Weekdays / business days | 21 |
Week-by-week breakdown
| Week range | Weekdays | Weekend days | Total days |
|---|---|---|---|
| December 1, 2029 – December 2, 2029 | 0 | 2 | 2 |
| December 3, 2029 – December 9, 2029 | 5 | 2 | 7 |
| December 10, 2029 – December 16, 2029 | 5 | 2 | 7 |
| December 17, 2029 – December 23, 2029 | 5 | 2 | 7 |
| December 24, 2029 – December 30, 2029 | 5 | 2 | 7 |
| December 31, 2029 – December 31, 2029 | 1 | 0 | 1 |
Holiday caution
Country, state, bank, school, and employer holidays are not removed. Adjust this baseline using your official holiday calendar.
Planning notes for December 2029
December 2029 starts on a Saturday and ends on a Monday. The month has 21 weekday business days and 10 weekend days before any public-holiday, bank-holiday, school-closure, or company-specific adjustments.
Capacity estimate
For one full-time person working 8 hours per weekday, December 2029 contains about 168 work hours before PTO and holidays. Multiply 21 by your daily team capacity for a quick sprint or staffing estimate.
Payroll and billing check
December 2029 includes 4 Fridays, so weekly payroll or Friday billing cycles may run four times. Monthly invoices should use 21 as the weekday baseline, then subtract observed holidays for the country or state you operate in.
Formula used for this business-day count
The count uses a simple weekday formula: total calendar days minus Saturdays and Sundays. For December 2029: 31 total days - 10 weekend days = 21 business days. Holidays are deliberately not removed because holiday rules differ by country, region, bank, school, and employer.
| Input | Value |
|---|---|
| Date range | December 1, 2029 to December 31, 2029 |
| Weekend rule | Saturday and Sunday excluded |
| Holiday rule | Not excluded; adjust with your official calendar |
| Source snapshot | Generated from the Gregorian calendar and verified in the local build on 2026-06-05. |
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FAQ
How many business days are in December 2029?
There are 21 Monday-through-Friday weekdays in December 2029, before subtracting holidays.
Are holidays excluded?
No. This page excludes weekends only.
Can I count a custom date range?
Yes. Use the business days calculator for any custom start and end date.