Is there any way to convert ZoneId to ZoneOffset in java 8?

I have an epoch second and a zoneId,by method1.It can be convert to LocalDateTime with system default zoneId,but I don't find the way to convert epoch second to LocalDateTime by method2,because there is no ZoneOffset.systemDefault.I think it's obscure.

import java.time.{Instant, LocalDateTime, ZoneId, ZoneOffset}

val epochSecond = System.currentTimeMillis() / 1000

LocalDateTime.ofInstant(Instant.ofEpochSecond(epochSecond), ZoneId.systemDefault())//method1
LocalDateTime.ofEpochSecond(epochSecond, 0, ZoneOffset.MAX)//method2
Jon Skeet
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As the documentation says, "This is primarily intended for low-level conversions rather than general application usage."

Going via Instant makes perfect sense to me - your epoch second is effectively a different representation of an Instant, so convert to an Instant and then convert that into a particular time zone.

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