Contact

Found a date that looks wrong, or have a suggestion? A reproducible example helps us investigate.

Report an issue

Open an issue on GitHub [email protected]

GitHub requires an account to submit an issue. Do not include private dates, personal information or confidential details in a public report.

What to include

• The page you used and the values you entered.
• Your selected time zone and counting rules.
• The result you expected and the result you saw.

This opens a template on your device. No report is sent automatically.