val Date.startOfYear: Date
The date at the start of the year that this date falls in.
(iosArm64, iosX64, jvm, macosX64)val DateTime.startOfYear: DateTimeval OffsetDateTime.startOfYear: OffsetDateTimeval ZonedDateTime.startOfYear: ZonedDateTime
The date-time at the first instant of the year that this date-time falls in.