openworkdays
Zero-signup business-day date-math API: add days, count days between dates, is-business-day.
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What it can do
What data it sees
Do you need an account
No: the server works without sign-in
Zero-signup business-day date-math API: add days, count days between dates, is-business-day.
Server tool list (1)
Raw names from tools/list. Only developers need these.
| businessdays | Business-day date math. Three modes inferred from params: add (start+days -> the date N business days away, negative days = before), diff (start+end -> count of business days between, inclusive of both endpoints), is (date -> is it a business day). Optional weekend (default sat,sun) and holidays (comma list of YYYY-MM-DD you supply). No signup, no API key. Pure UTC date-only math; no time-of-day/DST/timezone. |