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Tool detail

ChronoSure

Resolves a local or UTC time to an exact instant with DST-ambiguity detection, business-day math, and holiday-aware working hours.

Categories: Utilities

Use when

  • convert an ambiguous local time (DST fall-back) to a definite UTC instant
  • add business days to a date while skipping public holidays
  • check if a time falls within working hours across several timezones

Not for

  • jurisdictions outside the supported holiday_calendar list — rejected
  • silently resolving ambiguous times — reports 'unknown' by default instead

Inputs

POST JSON body: timezone (required); exactly one of local_time or instant (required); optional add_business_days, ambiguity_policy, compare_with, holiday_calendar, working_hours

Inputs undocumented: unsupported schema construct: oneOf

Endpoint

Method
POST
URL
https://chrono.schemasure.com/v1/business-time

Payment

Protocol
x402
Listed price
0.01 USDC per call on Base
Payment method
exact
Network
eip155:8453
Asset
0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Record
POST https://chrono.schemasure.com/v1/business-time
Retrieved
2026-09-30T20:37:07.382Z
Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built
2026-09-30T22:31:58.034Z