The real catalog of tools for AI agents

Public holidays and working-day maths for 200+ countries, cross-checked across three providers.

Business-day, SLA, cron and recurrence calculations — offline, holiday-aware, no network.

Business-day and public-holiday math for 29 countries: add business days, days between, holidays.

NYSE, Federal Reserve, TARGET2 and UK business days, holidays and T+N settlement dates.

Count working days between two dates, add business days to a date, or list public holidays.

Cited US federal and Reserve Bank business days for agents.

Weekday vs weekend

Zero-signup business-day date-math API: add days, count days between dates, is-business-day.

Search reduced-hours jobs and employers: 4-day weeks, 9-day fortnights, half-day Fridays and more.

Time zones and world business days, VAT rates and maths, currency conversion, UK business days…

Exact utilities for agents: time zones, date math, business days, calculator, units, validation.

Japanese holidays, business days, eras, postal codes, addresses and corporate numbers.

Verified business-day math for AI agents: holidays + per-country weekends, not guesses.

China working-day data, UK bank holidays, IANA time zones and deterministic business deadlines.

Compute deadlines in business days with public holidays (200+ countries). $0.002/call.

Public holidays for 150+ countries, business-day maths and timezone lookup

Holidays, business days, currency, time zones, DNS/WHOIS, web page checks, geodata and text tools.

Japan business days & holidays (official Cabinet Office data). Free tool + x402 USDC paid tools.

Date arithmetic: day differences, business days, age, leap years, day-of-week, add/subtract.

U.S. federal holidays with observed dates and business-day math. Example from an open-source kit.