Sources & licenses
Enough application
Copyright 2026 rnd00. Application code is available under the MIT License. Third-party holiday data retains the attribution and terms listed below.
Japan public holidays
Live data comes from Holidays JP. The bundled 2026 fallback was checked against the Japan Cabinet Office calendar on September 11, 2026.
International public holidays
Nager.Holidays Community API v4 supplies the other live country calendars, including regional public holidays where provided. Downloaded calendars are cached in your browser.
Southeast Asian calendars
The bundled 2026–2027 calendars for all 11 Southeast Asian countries were generated from python-holidays 0.104 on September 11, 2026. They include observed holidays and available subdivision data. Future dates and one-off declarations can change.
Your plan
Plans and theme preferences are saved in this browser. There is no account or cloud sync. Company-specific days off can be added directly to the calendar.