kotlin-stdlib / kotlin.time / days days Common JVM JS Native 1.3 @ExperimentalTime val Int.days: Duration Returns a Duration equal to this Int number of days. Common JVM JS Native 1.3 @ExperimentalTime val Long.days: Duration Returns a Duration equal to this Long number of days. Common JVM JS Native 1.3 @ExperimentalTime val Double.days: Duration Returns a Duration equal to this Double number of days.