Enables Japanese business calendar operations such as holiday checking, business day calculations, payment date calculation, fiscal year determination, and deadline tracking, all locally without external API.
Provides accurate Japanese business day utilities including holiday checks, settlement day calculations, and fiscal period determination, all with embedded holiday data from 2020-2030.
Enables AI assistants to perform Japanese business calendar calculations including holiday detection, business day arithmetic, payment date settlement, and deadline management using local data.
A zero-signup business-day date arithmetic API that allows adding/subtracting working days, counting business days between two dates, and testing if a date is a business day, with custom holidays.