Business Days & Hours Calculator API
Accurate across timezones, weekends, and Time weirdness.
Business Days & Hours Calculator API launched on March 31, 2026.
What it does
REST API for business hours and days calculation. Handles DST, public holidays, and timezones across 100+ countries. The only API that returns a skipped array showing exactly what was excluded and why.
Does a similar job
all alternatives →
I made a tool to compare time zones2024 · time.fyi · ▲758Timezone converter and world clock by time.fyi is a simple, fast and easy to use app to convert timezones and check the current time in different cities around the world.
Working Days CalculatorAug 2026 · workingdayscalculator.net · ▲1Weekdays · holidays · deadlines , computed instantly
Business Days CalculatorJul 2026 · calculatebusinessdays.com · ▲5Free business days calculator - 166 countries, no signup
Business Day CalculatorJul 2026 · businessdaycalculator.org · ▲418 free deadline calculators, holidays in 25 countries
Datetime.app2025 · datetime.app · ▲15Created Datetime.app, a sleek alternative to time.is. AI nailed the features with minimal requirements—truly impressive!

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