.toFormatter()

  private val offset = ZoneOffset.systemDefault()

  override fun format(record: LogRecord): String {
    val message = formatMessage(record)

    val time = Instant.ofEpochMilli(record.millis).atZone(offset)

    return if (record.thrown != null) {
      val sw = StringWriter(4096)
      val pw = PrintWriter(sw)
      record.thrown.printStackTrace(pw)

// See explanation in `org.gradle.api.internal.file.archive.ZipEntryConstants#CONSTANT_TIME_FOR_ZIP_ENTRIES`
private
val zipEntryBaseTimestamp = LocalDateTime.of(1980, 2, 1, 0, 0, 0)
    .atZone(ZoneId.systemDefault()).toInstant().toEpochMilli()


object Attributes {
    val artifactType = Attribute.of("artifactType", String::class.java)
    val minified = Attribute.of("minified", Boolean::class.javaObjectType)
}

                    final String fileName = getName(objectKey);
                    final ZonedDateTime lastModified =
                            s3Object.lastModified() != null ? s3Object.lastModified().atZone(java.time.ZoneId.systemDefault()) : null;
                    items.add(new StorageItem(fileName, prefix, false, s3Object.size(), lastModified, encodeId(objectKey)));
                }
            }

org.joda.time.DateTime#now()
org.joda.time.DateTimeZone#getDefault()

@defaultMessage Local times may be ambiguous or nonexistent in a specific time zones. Use ZoneRules#getValidOffsets() instead.
java.time.LocalDateTime#atZone(java.time.ZoneId)
java.time.ZonedDateTime#of(int, int, int, int, int, int, int, java.time.ZoneId)
java.time.ZonedDateTime#of(java.time.LocalDate, java.time.LocalTime, java.time.ZoneId)

        logger.info("Total time:  {}{}", formatDuration(time), wallClock);

        ZonedDateTime rounded = finish.truncatedTo(ChronoUnit.SECONDS).atZone(ZoneId.systemDefault());
        logger.info("Finished at: {}", formatTimestamp(rounded));
    }

    @Override
    public void projectSkipped(ExecutionEvent event) {
        if (logger.isInfoEnabled()) {

        if (value == null) {
            buf.append("null");
        } else if (value instanceof LocalDateTime) {
            final String format =
                    ((LocalDateTime) value).atZone(ZoneId.systemDefault()).withZoneSameInstant(ZoneId.of("UTC")).format(ISO_8601_FORMATTER);
            buf.append('"').append(StringEscapeUtils.escapeJson(format)).append('"');
        } else if (value instanceof String[]) {

     * @return LocalDateTime in UTC timezone
     */
    protected LocalDateTime parseDateTime(final String value, final DateTimeFormatter formatter) {
        return LocalDateTime.parse(value, formatter).atZone(ZoneId.systemDefault()).withZoneSameInstant(ZoneOffset.UTC).toLocalDateTime();
    }

    /**
     * Retrieves a specific search log entry by log type and ID.
     *

    }

    @Test
    public void test_getCurrentTimeAsLocalDateTime() {
        final long current =
                1000 * systemHelper.getCurrentTimeAsLocalDateTime().atZone(ZoneId.systemDefault()).toInstant().getEpochSecond();
        final long now = System.currentTimeMillis();
        assertTrue(now + ">=" + current + " : " + (now - current), now >= current);

 * Users needing local time representation should convert the result of {@link #instant()}
 * to their desired timezone:
 * <pre>{@code
 * Instant now = MonotonicClock.now();
 * ZonedDateTime local = now.atZone(ZoneId.systemDefault());
 * }</pre>
 *
 * @see System#nanoTime()
 * @see Clock
 */
public class MonotonicClock extends Clock {
    private static final MonotonicClock CLOCK = new MonotonicClock();

        if (format.contains("epoch_millis")) {
            return Long.toString(date.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli());
        } else if (format.contains("date_optional_time")) {
            return DateTimeFormatter.ISO_DATE_TIME.format(date);
        } else {
            return Long.toString(date.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli());
        }
    }