Business Days in January 2028
January 2028 has 20 business days under the US federal holiday calendar. January 2028 contains one US federal holiday. The month covers 31 calendar days, of which 10 fall on a weekend. That count drives invoice due dates, payroll cycles, project sprint planning, and any contract that defines deadlines as a number of working days.
Business Days
20
Calendar Days
31
Weekend Days
10
Holidays
1
Work Weeks
4.0
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 wknd | ||||||
2 wknd | 3 | 4 | 5 | 6 | 7 | 8 wknd |
9 wknd | 10 | 11 | 12 | 13 | 14 | 15 wknd |
16 wknd | 17 Martin Luther King Jr. Day | 18 | 19 | 20 | 21 | 22 wknd |
23 wknd | 24 | 25 | 26 | 27 | 28 | 29 wknd |
30 wknd | 31 |
Holidays in January 2028
Observed on the third Monday of January under the Uniform Monday Holiday Act. Federal employees, the Federal Reserve, and US equity and bond markets close. State courts and DMV offices generally close. Many private-sector employers offer this as a floating or paid day off rather than a fixed closure.
Day-of-Week Distribution
The count of each weekday in January 2028. Useful for shift scheduling, weekly recurring billing, and any rota that depends on a specific day of the week landing in-month.
| Day | Count |
|---|---|
| Monday | 5 |
| Tuesday | 4 |
| Wednesday | 4 |
| Thursday | 4 |
| Friday | 4 |
| Saturday | 5 |
| Sunday | 5 |
Business Days in January 2028 by Country
Working-day counts vary by country because each country observes its own public holidays. The table below covers all eleven holiday calendars supported on this site.
| Country | Business Days | Holidays this month |
|---|---|---|
| 🇺🇸United States | 20 | Martin Luther King Jr. Day |
| 🇬🇧United Kingdom | 20 | New Year's Day (observed) |
| 🇨🇦Canada | 20 | New Year's Day (observed) |
| 🇦🇺Australia | 19 | New Year's Day (observed), Australia Day |
| 🇮🇳India | 20 | Republic Day |
| 🇵🇭Philippines | 20 | Chinese New Year (approximate) |
| 🇫🇷France | 21 | None |
| 🇩🇪Germany | 21 | None |
| 🇯🇵Japan | 20 | Coming of Age Day |
| 🇲🇽Mexico | 21 | None |
| 🇸🇬Singapore | 19 | Chinese New Year Day 1 (approximate), Chinese New Year Day 2 (approximate) |
Notable January Deadlines
January is the busiest month of the tax year for finance and HR teams. W-2s must be furnished to employees by January 31 and 1099-NEC forms to contractors by the same date, with the IRS copy following on the same deadline. Q4 earnings season opens in the middle of the month for the major banks, and state unemployment insurance returns are due at the end of the month in most states.
How January 2028 Compares
January 2027 had 19 business days, so January 2028 has 1 more working day year over year. On the surrounding months, December 2027 has 21 business days and February 2028 has 20. Looking forward, January 2029 will have 21 business days under the same federal holiday calendar.
Using This Calculator
A receivables analyst running a Net 30 portfolio uses the 20-business-day count in January 2028 to project cash collections by Friday of each week and to flag invoices whose due dates land on the holidays listed above. A project manager scoping a sprint that starts on the first business day of January uses the calendar grid to slot stand-ups, design reviews, and customer demos onto live working days rather than weekends. A specialty contractor billing time and materials uses the day-of-week distribution to see how many Mondays and Fridays fall in January 2028, which matters for crews who set installation appointments at the start and end of each week and skip Tuesday-to-Thursday for travel-heavy jobs.
For informational purposes only
This calculator provides general estimates based on business day counting rules. It does not constitute legal advice. Deadlines in legal, regulatory, or contractual matters may be subject to jurisdiction-specific rules, court orders, or statutory exceptions. Always verify critical deadlines with a qualified professional.