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.
Provides public holidays, long weekends, and country data for 202 countries via the Nager.Date API, with client-side filtering and timezone-aware checks.
Provides Japanese business day calculations: add or subtract business days, count between dates, check whether a date is a business day, and reverse-calculate deadlines. Handles national holidays and year-end periods fully offline with no API keys required.
