Time calculator
Exact time arithmetic: the span between two instants, or an instant plus or minus a duration, in ISO 8601 or plain shorthand. Months and years are refused honestly: they are calendar units with no single exact length.
Encoding & dataRuns locally in your browser. Nothing is sent anywhere.
API endpointGEThttps://ronutz.com/api/v1/time-calculatorDocumented, not served. Opens the specification.