What is the joda time equivalent for multiple JDK TimeZone functions

Question

what is the equivalent of joda time below methods in JDK.

• TimeZone.getOffset ()
• TimeZone.getRawOffset ()
• TimeZone.inDaylightTime ()
• TimeZone.useDaylightTime ()
• TimeZone.getDSTSavings ()

My main idea is to store below in a database as suggested by most SO posts

• UTC time = joda Instant
• time zone offset = what is equivalent in joda?
• dst offset = what is equivalent in joda?

Should you also keep RawOffset or adjusted DST offset?

Answer 1

• DateTimeZone.getOffset ()
• DateTimeZone.getStandardOffset ()
• ! DateTimeZone.isStandardOffset ()
• ! DateTimeZone.isFixed()
• .

UTC (.. /- /, EST GMT), . , . Joda tz . , :

• ReadableInstant.getMillis()
• DateTimeZone.getId()

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Java 8 ZonedDateTime, DateTimeFormatter.ISO_ZONED_DATE_TIME.