Examples of ZoneOffset

java.time.ZoneOffset
A time-zone offset from Greenwich/UTC, such as {@code +02:00}.
A time-zone offset is the period of time that a time-zone differs from Greenwich/UTC. This is usually a fixed number of hours and minutes.
Different parts of the world have different time-zone offsets. The rules for how offsets vary by place and time of year are captured in the {@link ZoneId} class.
For example, Paris is one hour ahead of Greenwich/UTC in winter and two hours ahead in summer. The {@code ZoneId} instance for Paris will reference two{@code ZoneOffset} instances - a {@code +01:00} instance for winter,and a {@code +02:00} instance for summer.
In 2008, time-zone offsets around the world extended from -12:00 to +14:00. To prevent any problems with that range being extended, yet still provide validation, the range of offsets is restricted to -18:00 to 18:00 inclusive.
This class is designed for use with the ISO calendar system. The fields of hours, minutes and seconds make assumptions that are valid for the standard ISO definitions of those fields. This class may be used with other calendar systems providing the definition of the time fields matches those of the ISO calendar system.
Instances of {@code ZoneOffset} must be compared using {@link #equals}. Implementations may choose to cache certain common offsets, however applications must not rely on such caching.
This is a value-based class; use of identity-sensitive operations (including reference equality ( {@code ==}), identity hash code, or synchronization) on instances of {@code ZoneOffset} may have unpredictable results and should be avoided.The {@code equals} method should be used for comparisons. @implSpec This class is immutable and thread-safe. @since 1.8
javax.time.calendar.ZoneOffset
A time zone offset, such as '+02:00'.
A time zone offset is the period of time that a time zone differs from UTC. This is usually a fixed number of hours and minutes.
Different parts of the world have different time zone offsets. The rules for how offsets vary by place and time of year are captured in the {@link TimeZone} class.
For example, Paris is one hours ahead of UTC in winter and two hours ahead in summer. The TimeZone instance for Paris will reference two ZoneOffset instances - a +01:00 instance for winter, and a +02:00 instance for summer.
In 2008, time zone offsets around the world extended from -12:00 to +14:00. To prevent any problems with that range being extended, yet still provide validation, the range of offsets is restricted to -18:00 to 18:00 inclusive.
This class is designed primarily for use with the {@link ISOChronology}. The fields of hours, minutes and seconds make assumptions that are valid for the standard ISO definitions of those fields. This class may be used with other calendar systems providing the definition of the time fields matches those of the ISO calendar system.
Instances of ZoneOffset must be compared using {@link #equals}. Implementations may choose to cache certain common offsets, however applications must not rely on such caching.
ZoneOffset is immutable and thread-safe. @author Stephen Colebourne
org.threeten.bp.ZoneOffset
A time-zone offset from Greenwich/UTC, such as {@code +02:00}.
A time-zone offset is the period of time that a time-zone differs from Greenwich/UTC. This is usually a fixed number of hours and minutes.
Different parts of the world have different time-zone offsets. The rules for how offsets vary by place and time of year are captured in the {@link ZoneId} class.
For example, Paris is one hour ahead of Greenwich/UTC in winter and two hours ahead in summer. The {@code ZoneId} instance for Paris will reference two{@code ZoneOffset} instances - a {@code +01:00} instance for winter,and a {@code +02:00} instance for summer.
In 2008, time-zone offsets around the world extended from -12:00 to +14:00. To prevent any problems with that range being extended, yet still provide validation, the range of offsets is restricted to -18:00 to 18:00 inclusive.
This class is designed for use with the ISO calendar system. The fields of hours, minutes and seconds make assumptions that are valid for the standard ISO definitions of those fields. This class may be used with other calendar systems providing the definition of the time fields matches those of the ISO calendar system.
Instances of {@code ZoneOffset} must be compared using {@link #equals}. Implementations may choose to cache certain common offsets, however applications must not rely on such caching.
Specification for implementors
This class is immutable and thread-safe.

Examples of java.time.ZoneOffset

            return new ChronoZonedDateTimeImpl<>(localDateTime, (ZoneOffset) zone, zone);
        }
        ZoneRules rules = zone.getRules();
        LocalDateTime isoLDT = LocalDateTime.from(localDateTime);
        List<ZoneOffset> validOffsets = rules.getValidOffsets(isoLDT);
        ZoneOffset offset;
        if (validOffsets.size() == 1) {
            offset = validOffsets.get(0);
        } else if (validOffsets.size() == 0) {
            ZoneOffsetTransition trans = rules.getTransition(isoLDT);
            localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());

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Examples of java.time.ZoneOffset

     * @param zone  the zone identifier, not null
     * @return the zoned date-time, not null
     */
    static ChronoZonedDateTimeImpl<?> ofInstant(Chronology chrono, Instant instant, ZoneId zone) {
        ZoneRules rules = zone.getRules();
        ZoneOffset offset = rules.getOffset(instant);
        Objects.requireNonNull(offset, "offset");  // protect against bad ZoneRules
        LocalDateTime ldt = LocalDateTime.ofEpochSecond(instant.getEpochSecond(), instant.getNano(), offset);
        ChronoLocalDateTimeImpl<?> cldt = (ChronoLocalDateTimeImpl<?>)chrono.localDateTime(ldt);
        return new ChronoZonedDateTimeImpl<>(cldt, offset, zone);
    }

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Examples of java.time.ZoneOffset


    @Override
    public ChronoZonedDateTime<D> withEarlierOffsetAtOverlap() {
        ZoneOffsetTransition trans = getZone().getRules().getTransition(LocalDateTime.from(this));
        if (trans != null && trans.isOverlap()) {
            ZoneOffset earlierOffset = trans.getOffsetBefore();
            if (earlierOffset.equals(offset) == false) {
                return new ChronoZonedDateTimeImpl<>(dateTime, earlierOffset, zone);
            }
        }
        return this;
    }

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Examples of java.time.ZoneOffset


    @Override
    public ChronoZonedDateTime<D> withLaterOffsetAtOverlap() {
        ZoneOffsetTransition trans = getZone().getRules().getTransition(LocalDateTime.from(this));
        if (trans != null) {
            ZoneOffset offset = trans.getOffsetAfter();
            if (offset.equals(getOffset()) == false) {
                return new ChronoZonedDateTimeImpl<>(dateTime, offset, zone);
            }
        }
        return this;
    }

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Examples of java.time.ZoneOffset

        if (field instanceof ChronoField) {
            ChronoField f = (ChronoField) field;
            switch (f) {
                case INSTANT_SECONDS: return plus(newValue - toEpochSecond(), SECONDS);
                case OFFSET_SECONDS: {
                    ZoneOffset offset = ZoneOffset.ofTotalSeconds(f.checkValidIntValue(newValue));
                    return create(dateTime.toInstant(offset), zone);
                }
            }
            return ofBest(dateTime.with(field, newValue), zone, offset);
        }

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Examples of java.time.ZoneOffset

        out.writeObject(zone);
    }


    static ChronoZonedDateTime<?> readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        ChronoLocalDateTime<?> dateTime = (ChronoLocalDateTime<?>) in.readObject();
        ZoneOffset offset = (ZoneOffset) in.readObject();
        ZoneId zone = (ZoneId) in.readObject();
        return dateTime.atZone(offset).withZoneSameLocal(zone);
        // TODO: ZDT uses ofLenient()
    }

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Examples of java.time.ZoneOffset

            this.savingsLocalTransitions = EMPTY_LDT_ARRAY;
        } else {
            // convert savings transitions to locals
            List<LocalDateTime> localTransitionList = new ArrayList<>();
            for (int i = 0; i < savingsInstantTransitions.length; i++) {
                ZoneOffset before = wallOffsets[i];
                ZoneOffset after = wallOffsets[i + 1];
                ZoneOffsetTransition trans = new ZoneOffsetTransition(savingsInstantTransitions[i], before, after);
                if (trans.isGap()) {
                    localTransitionList.add(trans.getDateTimeBefore());
                    localTransitionList.add(trans.getDateTimeAfter());
                } else {

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Examples of java.time.ZoneOffset

        }
        if ((index & 1) == 0) {
            // gap or overlap
            LocalDateTime dtBefore = savingsLocalTransitions[index];
            LocalDateTime dtAfter = savingsLocalTransitions[index + 1];
            ZoneOffset offsetBefore = wallOffsets[index / 2];
            ZoneOffset offsetAfter = wallOffsets[index / 2 + 1];
            if (offsetAfter.getTotalSeconds() > offsetBefore.getTotalSeconds()) {
                // gap
                return new ZoneOffsetTransition(dtBefore, offsetBefore, offsetAfter);
            } else {
                // overlap
                return new ZoneOffsetTransition(dtAfter, offsetBefore, offsetAfter);

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Examples of java.time.ZoneOffset

     */
    public Duration getDaylightSavings(Instant instant) {
        if (savingsInstantTransitions.length == 0) {
            return Duration.ZERO;
        }
        ZoneOffset standardOffset = getStandardOffset(instant);
        ZoneOffset actualOffset = getOffset(instant);
        return Duration.ofSeconds(actualOffset.getTotalSeconds() - standardOffset.getTotalSeconds());
    }

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Examples of java.time.ZoneOffset


        // check if using last rules
        long lastHistoric = savingsInstantTransitions[savingsInstantTransitions.length - 1];
        if (lastRules.length > 0 && epochSec > lastHistoric) {
            // search year the instant is in
            ZoneOffset lastHistoricOffset = wallOffsets[wallOffsets.length - 1];
            int year = findYear(epochSec, lastHistoricOffset);
            ZoneOffsetTransition[] transArray = findTransitionArray(year);
            for (int i = transArray.length - 1; i >= 0; i--) {
                if (epochSec > transArray[i].toEpochSecond()) {
                    return transArray[i];

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Examples of ZoneOffset

Specification for implementors

Examples of java.time.ZoneOffset

Examples of java.time.ZoneOffset

Examples of java.time.ZoneOffset

Examples of java.time.ZoneOffset

Examples of java.time.ZoneOffset

Examples of java.time.ZoneOffset

Examples of java.time.ZoneOffset

Examples of java.time.ZoneOffset

Examples of java.time.ZoneOffset

Examples of java.time.ZoneOffset