Question 1

Is the Sri Lankan Holiday API free to use?

Accepted Answer

Yes, the Sri Lankan Holiday API is 100% free and open-source under the MIT license with no API key required.

Question 2

How are Full Moon Poya Days calculated in the API?

Accepted Answer

Full Moon Poya days are astronomically calculated using the Jean Meeus lunar phase algorithm specifically calibrated for Sri Lanka Standard Time (Asia/Colombo timezone, UTC+5:30).

Question 3

What years are covered in the Sri Lanka Holiday API?

Accepted Answer

The API covers 22 complete calendar years from 2024 to 2045, containing over 858 cataloged holidays.

Question 4

Can I download the Sri Lanka holiday dataset as CSV or JSON?

Accepted Answer

Yes, you can export the full dataset directly in JSON or CSV format from https://holiday.imrishmika.dev/api/v1/holidays/export.