Business Day Calendars
NYSE, Federal Reserve, TARGET2 and UK business days, holidays and T+N settlement dates.
| Endpoint | https://business-days.quietworklabs.workers.dev/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.0 |
| Now | 6 tools · grade A (94) · pin ts_148f98e8fba8863584ab7c9ceba8e876 · protocol 2025-06-18 |
| First / last listed | 2026-10-27 03:30 UTC / 2026-10-27 03:30 UTC |
| Grade over time | 2026-10-27: A (94), 6 tools |
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Tools: is_business_day add_business_days settlement_date business_days_between adjust_date list_holidays
is_business_day | Whether a date is a business day on one or more settlement calendars (NYSE, Fedwire/FedACH, TARGET2, UK), which holiday closes it, NYSE early closes, and the previous/next business day. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free. params: date*, calendars |
add_business_days | Adds (or with negative days subtracts) N business days to a date on a joint calendar (NYSE, Fedwire/FedACH, TARGET2, UK) and lists the holidays skipped. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free. params: date*, days*, calendars |
settlement_date | Settlement date T+N for a trade date on a joint calendar. Default XNYS,FED with t=1 (US equities since 28 May 2024). If the trade date is not a business day it is first rolled to the next one. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free. params: trade_date*, t, calendars |
business_days_between | Counts business days between two dates on a joint calendar: days after start up to and including end (inclusive=true also counts start). Negative if end is before start. Lists weekday holidays in range. Max 10 years. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free. params: start*, end*, inclusive, calendars |
adjust_date | Rolls a date that falls on a weekend or holiday using a business-day convention: following, modified_following, preceding, modified_preceding. Typical for payment, coupon and invoice due dates. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free. params: date*, convention, calendars |
list_holidays | Lists closing days for one calendar and year (2000-2099): NYSE full closures and 1 pm early closes, Federal Reserve (Fedwire/FedACH) holidays with Saturday/Sunday observance rules, TARGET2 closing days, UK England & Wales bank holidays with substitute days. Weekend-only holidays with no weekday closure are omitted. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 call params: calendar*, year* |
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