kotlin-stdlib / kotlin.time / times times Common JVM JS Native 1.6 operator fun Int . times ( duration : Duration ) : Duration (source) Returns a duration whose value is the specified duration value multiplied by this number. Common JVM JS Native 1.6 operator fun Double . times ( duration : Duration ) : Duration (source) Returns a duration whose value is the specified duration value multiplied by this number. The operation may involve rounding when the result cannot be represented exactly with a Double number. Exceptions IllegalArgumentException - if the operation results in a NaN value.