Spectracom NetClock 9400 Series, User Reference Manual

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All of the UTC Offset drop-down selections are configured as UTC plus or minus
a set number of hours.
Examples for the US: For Eastern , choose UTC–05:00; for Central , choose UTC-
06:00; for Mountain , choose UTC-07:00; and for Pacific , choose UTC-08:00.
If you wish to use DST (Daylight Savings Time ["Summer Time"]) rules, click the
Use DST Rules box. Otherwise the time for the local clock will always be standard
time.
DST options will appear in the
Local Clock
window:
6.
Set DST Rules by Region : Check this box to apply regional DST rules. A regions drop-
down menu with the following options will display:
EU (Europe): For locations complying with the European DST Rule. This rule differs
from all other rules because the DST changes occur based on UTC time, not local
time (all time zones in Europe change for DST at precisely the same time relative
to UTC, rather than offset by local time zone).
US-Canada : For locations complying with the USA’s DST Rule (as it was changed
to back in 2006, where the “DST into” date is the Second Sunday of March and
the “DST out” date is the first Sunday of November).
Australia
.
Note: If a pre-configured rule DST rule happens to be changed in
the future (like the change to the US DST rule in 2006), this option
allows the DST rules to be edited without the need to perform a
3.2 System Time
CHAPTER
3
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