Returns the time between start and end as both elapsed totals (seconds, minutes, hours, days, weeks) and a calendar breakdown (years, months, days, hours, minutes, seconds), plus the direction.
years).Accepts YYYY-MM-DD or full ISO 8601. end defaults to today. Times without an offset are treated as UTC. Computed locally.
End date or datetime (YYYY-MM-DD or ISO 8601). Defaults to today.
Start date or datetime (YYYY-MM-DD or ISO 8601).