Version 7.2 121 Mediant 1000B Gateway & E-SBC
User's Manual 11. Date and Time
11.3 Configuring the Time Zone
You can configure the time zone in which the device is deployed. This is referred to as the
Coordinated Universal Time (UTC) time offset and defines how many hours the device is
from Greenwich Mean Time (GMT). For example, Germany Berlin is one hour ahead of
GMT (UTC/GMT is +1 hour) and therefore, you would configure the offset to "1". USA New
York is five hours behind GMT (UTC/GMT offset is -5 hours) and therefore, you would
configure the offset as a minus value "-5".
 To configure the time zone:
1. Open the Time & Date page (Setup menu > Administration tab > Time & Date), and
then scroll down to the Time Zone group:
Figure 11-3: Configuring UTC Offset
2. In the 'UTC Offset' fields (NTPServerUTCOffset), configure the time offset in relation
to the UTC. For example, if your region is GMT +1 (an hour ahead), enter "1" in the
'Hours' field.
3. Click Apply; the updated time is displayed in the 'UTC Time' read-only field and the
fields under the Local Time group.
11.4 Configuring Daylight Saving Time
You can apply daylight saving time (DST) to the date and time of the device. DST defines a
date range in the year (summer) where the time is brought forward so that people can
experience more daylight. DST applies an offset of up to 60 minutes (default) to the local
time. For example, Germany Berlin has DST from 30 March to 26 October, where the time
is brought forward by an hour (e.g., 02:00 to 03:00 on 30 March). Therefore, you would
configure the DST offset to 60 minutes (one hour).
 To configure DST through the Web interface:
1. Open the Time & Date page (Setup menu > Administration tab > Time & Date), and
then scroll down to the Time Zone group:
Figure 11-4: Configuring Daylight Savings
2. From the 'Day Light Saving Time' (DayLightSavingTimeEnable) drop-down list, select
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