Validation rules
2026-01-36 | Valid final day of metric month 01 |
2026-01-37 | Invalid; metric month 01 has 36 days |
2026-02-37 | Valid Bonus Rest Day |
2028-10-38 | Valid Leap Day / New Year’s Eve |
2026-10-38 | Invalid; 2026 is not a leap year |
Date conversion tool
Converter
Convert between the Gregorian calendar and the Metric Calendar. The conversion model assumes gYYYY-01-01 = YYYY-01-01.
Date converter
Ready
Enter a date and select convert.
Check a year
Enter a year to see whether the final Metric day is Day 37 or Day 38.