UTC
Returns the time zone with the fixed UTC+0 offset.
The id of this time zone is "Z".
Samples
import kotlinx.datetime.*
import kotlinx.datetime.format.*
import kotlin.test.*
fun main() {
//sampleStart
// Using the UTC time zone for arithmetic operations
val localDateTime = LocalDate(2023, 6, 2).atTime(12, 30)
val instant = localDateTime.toInstant(TimeZone.UTC)
check(instant == Instant.parse("2023-06-02T12:30:00Z"))
val newInstant = instant.plus(5, DateTimeUnit.DAY, TimeZone.UTC)
check(newInstant == Instant.parse("2023-06-07T12:30:00Z"))
val newLocalDateTime = newInstant.toLocalDateTime(TimeZone.UTC)
check(newLocalDateTime == LocalDate(2023, 6, 7).atTime(12, 30))
//sampleEnd
}