kotlin-stdlib / kotlin.time / days days Common JVM JS Native 1.3 @ExperimentalTime @DeprecatedSinceKotlin("1.5", "1.8") val Int.days: Duration(source) Deprecated: Use 'Int.days' extension property from Duration.Companion instead. Returns a Duration equal to this Int number of days. Common JVM JS Native 1.3 @ExperimentalTime @DeprecatedSinceKotlin("1.5", "1.8") val Long.days: Duration(source) Deprecated: Use 'Long.days' extension property from Duration.Companion instead. Returns a Duration equal to this Long number of days. Common JVM JS Native 1.3 @ExperimentalTime @DeprecatedSinceKotlin("1.5", "1.8") val Double.days: Duration(source) Deprecated: Use 'Double.days' extension property from Duration.Companion instead. Returns a Duration equal to this Double number of days. Exceptions IllegalArgumentException - if this Double value is NaN.