Which holidays are included?

US federal holidays and South Korean public holidays for 2026, with observed dates. Check the rates year shown under the calculator.

Working days calculator

Business days between two dates, excluding weekends and holidays.

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Rates as of 2025

For reference only

Results use standard formulas and published rates. Actual figures may differ due to personal deductions, institution rules and rounding. Do not rely on this alone for legal or financial decisions.

When to use this

For project timelines, delivery estimates and leave planning. Choose a holiday calendar (US federal 2026 or Korea 2026) or ignore holidays, and optionally count Saturdays.

How to use it

Enter start and end dates.
Pick a holiday calendar and whether Saturday counts.
Read working, weekend and holiday day counts.

Frequently asked questions

Which holidays are included?: US federal holidays and South Korean public holidays for 2026, with observed dates. Check the rates year shown under the calculator.

When people use this

How to count working days correctly for deadlines, deliveries and leave

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