Why state calendars matter
Federal holidays are a helpful baseline, but some states observe additional holidays or treat certain dates differently for public offices, courts, schools, or state employees.
U.S. state business days
U.S. State Business Days Calculator
Use this page when a U.S. business-day calculation needs a state calendar instead of only the federal holiday calendar. Select any state or Washington, DC, then count between dates or add and subtract business days.
Calendar: United States — California. Choose the country and region whose holidays apply to your calculation.
Result
43 business days
Between Wednesday, October 28, 2026 and Thursday, December 31, 2026, including the first date.
4 public holidays are excluded for California, United States.Included in this calculation
- Weekends are excluded.
- Public holidays are excluded for California, United States.
- State selections combine the federal calendar with applicable state-government observances. Private employers may use different schedules.
- Holiday data currently covers 2026 and 2027.
- Business holiday rules can vary by employer, industry, city, and contract.
Holidays excluded
Veterans DayNov 11, 2026
Thanksgiving DayNov 26, 2026
Day after Thanksgiving DayNov 27, 2026
Christmas DayDec 25, 2026
How many business days are in United States?
There is not always one universal national total because public holidays can vary by province, state, territory, or region. For California, United States, the current Monday-to-Friday planning totals are:
| Year | Weekdays | Weekday holidays | Business days |
|---|---|---|---|
| 2026 | 261 | 12 | 249 |
| 2027 | 261 | 13 | 248 |
Choose a different region in the calculator to update these totals. Employer, bank, court, school, and local closure rules may differ.
Business days by month in California, United States
These exact planning totals equal Monday-to-Friday weekdays minus the selected public holidays that fall on a weekday. Change the region above to update every answer.
2026
| Month | Weekdays | Weekday holidays | Business days |
|---|---|---|---|
| January | 22 | 2 | 20 |
| February | 20 | 1 | 19 |
| March | 22 | 1 | 21 |
| April | 22 | 0 | 22 |
| May | 21 | 1 | 20 |
| June | 22 | 1 | 21 |
| July | 23 | 1 | 22 |
| August | 21 | 0 | 21 |
| September | 22 | 1 | 21 |
| October | 22 | 0 | 22 |
| November | 21 | 3 | 18 |
| December | 23 | 1 | 22 |
2027
| Month | Weekdays | Weekday holidays | Business days |
|---|---|---|---|
| January | 21 | 2 | 19 |
| February | 20 | 1 | 19 |
| March | 23 | 1 | 22 |
| April | 22 | 0 | 22 |
| May | 21 | 1 | 20 |
| June | 22 | 1 | 21 |
| July | 22 | 1 | 21 |
| August | 22 | 0 | 22 |
| September | 22 | 1 | 21 |
| October | 21 | 0 | 21 |
| November | 22 | 3 | 19 |
| December | 23 | 2 | 21 |
Plan a deadline in United States
Using California and counting the start date as day zero, 10 business days after Tuesday, September 1, 2026 is Wednesday, September 16, 2026. Saturdays, Sundays and the selected weekday holidays are skipped.
Try this 10-business-day example · Calculate invoice terms · Compare monthly totals
Which holiday dates does this calendar exclude?
State selections combine the federal calendar with applicable state-government observances. Private employers may use different schedules. These are planning calendars, not a promise that every employer, bank or service closes on each date. The tables below always show the selected holiday calendar, even when the calculator is switched to weekends only.
2026 holiday dates for California
| Date | Holiday / observance | Monday–Friday exclusion |
|---|---|---|
| Jan 1, 2026 | New Year's Day | Excluded in this calendar |
| Jan 19, 2026 | Martin Luther King Jr. Day | Excluded in this calendar |
| Feb 16, 2026 | Presidents' Day | Excluded in this calendar |
| Mar 31, 2026 | César Chávez Day | Excluded in this calendar |
| May 25, 2026 | Memorial Day | Excluded in this calendar |
| Jun 19, 2026 | Juneteenth | Excluded in this calendar |
| Jul 3, 2026 | Independence Day (substitute day) | Excluded in this calendar |
| Jul 4, 2026 | Independence Day | Weekend; no extra day deducted |
| Sep 7, 2026 | Labour Day | Excluded in this calendar |
| Nov 11, 2026 | Veterans Day | Excluded in this calendar |
| Nov 26, 2026 | Thanksgiving Day | Excluded in this calendar |
| Nov 27, 2026 | Day after Thanksgiving Day | Excluded in this calendar |
| Dec 25, 2026 | Christmas Day | Excluded in this calendar |
2027 holiday dates for California
| Date | Holiday / observance | Monday–Friday exclusion |
|---|---|---|
| Jan 1, 2027 | New Year's Day | Excluded in this calendar |
| Jan 18, 2027 | Martin Luther King Jr. Day | Excluded in this calendar |
| Feb 15, 2027 | Presidents' Day | Excluded in this calendar |
| Mar 31, 2027 | César Chávez Day | Excluded in this calendar |
| May 31, 2027 | Memorial Day | Excluded in this calendar |
| Jun 18, 2027 | Juneteenth (substitute day) | Excluded in this calendar |
| Jun 19, 2027 | Juneteenth | Weekend; no extra day deducted |
| Jul 4, 2027 | Independence Day | Weekend; no extra day deducted |
| Jul 5, 2027 | Independence Day (substitute day) | Excluded in this calendar |
| Sep 6, 2027 | Labour Day | Excluded in this calendar |
| Nov 11, 2027 | Veterans Day | Excluded in this calendar |
| Nov 25, 2027 | Thanksgiving Day | Excluded in this calendar |
| Nov 26, 2027 | Day after Thanksgiving Day | Excluded in this calendar |
| Dec 24, 2027 | Christmas Day (substitute day) | Excluded in this calendar |
| Dec 25, 2027 | Christmas Day | Weekend; no extra day deducted |
| Dec 31, 2027 | New Year's Day (substitute day) | Excluded in this calendar |
Holiday calendar source
State selections combine the federal calendar with applicable state-government observances. Private employers may use different schedules.
Calendar baseline reviewed August 19, 2026; Singapore and Ireland corrections verified September 12, 2026. Coverage notes describe the applicable limits.All states included
The calculator supports all 50 states plus Washington, DC. These are planning calendars; courts, schools, private employers, and local governments may observe different closures.
Good for U.S. planning
Use it for state-aware shipping windows, office closures, vendor timelines, HR planning, invoice timing, and internal deadline checks.
Did you know?
Colorado observes Frances Xavier Cabrini Day, named for the first U.S. citizen canonized as a saint. State-specific holidays like this are one reason national weekday counts can miss context.
Use with care
State calendars are not the same as every employer policy. Private businesses, banks, courts, and schools may use different closure rules.
Frequently asked questions
What is included in the u.s. state business days calculator?
The calculator excludes weekends and can also exclude public holidays for the selected country and region. The result shows the assumption used in the calculation.
Are public holidays excluded automatically?
Public holidays are excluded when the Weekends + holidays option is turned on. You can switch to Weekends only if you want a weekday-only count.
Can I share or copy the result?
Yes. Use Copy result for the plain answer, or Copy link to share the same calculation settings with someone else.
Should I use this for legal or payroll deadlines?
Use the calculator as a helpful planning tool, but review important deadlines because business-day rules can vary by employer, contract, industry, city, and jurisdiction.
Popular calculators
Choose a focused calculator page for common business-day and working-day questions.
Planning by year
Use a year-focused page when you are checking annual schedules or future deadline windows.
Calculators by country
Use a country page when regional public holidays matter for your deadline or planning calculation.
Trust and data
Review how calculations are handled and which holiday calendars are currently covered.