← Agent Data Hub · Search endpoints · /llms.txt

AI Date Roll-Forward / Roll-Back & Deadline Calculator

Adds or subtracts calendar days, weeks, or business days from a given date to compute exact legal/project deadlines.

Call it (no API key)

GET https://api.agentdatahub.de/api/v1/call/ai-tool-date-add-subtract?date=2026-10-27&days=90&compact=1

Full metadata: without compact=1 · Markdown: format=llm · Only some fields: add &fields=a,b.c · MCP: tool call_api with {"apiId":"ai-tool-date-add-subtract"}

Parameters

Example response (live, compact)

{
  "apiId": "ai-tool-date-add-subtract",
  "data_freshness": "live",
  "data": {
    "tool": "ai-tool-date-add-subtract",
    "base_date": "2026-10-27",
    "days_offset": 90,
    "resulting_date_iso": "2027-01-25",
    "resulting_weekday": "Monday",
    "resulting_unix_epoch": 1800835200
  },
  "source": "100% Platform-Native Deterministic AI Core Utility (<1ms)",
  "license": "100% Platform-Owned Deterministic Algorithm (Commercial Use Allowed)"
}

Source & license