Business Day vs Working Day: Why They Are Not the Same

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Введение

At first glance, “business day” and “working day” seem interchangeable. Yet in contracts, banking, and labor law, they create different rights and obligations. A deadline in business days may expire earlier than one in working days. A vacation entitlement in working days is not the same as in calendar days.

This article explains the differences with real-life examples, so you never confuse them again.

Business Day

• Definition: Any day when commercial or financial institutions are open for business.
• Typical use: Contracts, payments, delivery deadlines.
• Key point: Excludes weekends and public holidays. In the US, Saturday is не a business day.

Working Day

• Definition: A day considered part of the regular working schedule under law or employment contracts.
• Typical use: Employment rights, vacation calculation, overtime rules.
• Key point: May include Saturday in some countries.

Country Examples

Соединенные Штаты

• Business day: Mon–Fri, excluding federal holidays.
• Working day: Employment contracts usually assume Mon–Fri (40-hour week).

Великобритания

• Business day: Any day your payment provider is open.
• Working day: Standard Mon–Fri for most employees.

Германия

• Werktag (legal working day): Mon–Sat.
• Arbeitstag (practical working day): Mon–Fri.
• Vacation law: 24 Werktage = 20 Arbeitstage on a 5-day schedule.

Latin America (example Honduras)

• Vacation entitlement: After 1 year = 10 working days; after 4 years = 20.
• But with many public holidays, effective rest may feel much longer.

Translation Traps

• Business Day ≠ Working Day.
• German: Geschäftstag (business) vs Werktag/Arbeitstag (working).
• Испанский язык: día hábil (working day) vs día natural (calendar day).
• Incorrect translations can shorten or extend legal deadlines by weeks.

Real-Life Impact

1. Contracts
   • “Payment within 10 business days” → depends on financial institution days.
   • “Vacation of 14 working days” → depends on labor law days.
2. Banking
   • Payment on Friday evening? Not processed until the next business day.
3. Employment
   • In Germany, Saturday is legally a working day. Misinterpreting it reduces leave.

Checklist

✔ Always define “Business Day” and “Working Day” in contracts.
✔ Check jurisdiction-specific labor codes.
✔ Translate precisely (día hábil, Werktag).
✔ Clarify whether Saturdays are included.
✔ For deadlines, add a rule for holidays/weekends.

Заключение

A Business Day is about commerce and institutions.
A Working Day is about employees and labor law.

Mixing them up leads to payroll disputes, missed deadlines, or mistranslations. Knowing the difference protects both businesses and employees.

Learn More

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• Похожие статьи: What’s the Difference Between Business Day, Banking Day, Working Day, and Calendar Day?

Author’s note
Authored by Тимур Левитин — founder, director, and head teacher of Языковая школа Левитина и Школа иностранных языков "Старт" от Тимура Левитина.
© Тимур Левитин