System Time

Use the System Time page to select the system time source. If the source is manual, you can enter the time here.

Caution

If the system time is set manually and the device is rebooted, the manual time settings must be reentered.

To define system time, complete these steps:

Procedure

Step 1

Click Administration > Time Settings > System Time.

The following fields are displayed:

  • Actual Time— Actual system time on the device.

Step 2

Enter the following parameters:

  • Clock Source Settings—Select the source used to set the system clock.

    • Main Clock Source (SNTP Servers)—If this is enabled, the system time is obtained from an SNTP server.

  • Manual Settings—Set the date and time manually. The local time is used when there’s no alternate source of time, such as an SNTP server:

    • Date—Enter the system date.

    • Local Time—Enter the system time.

  • Time Zone Settings

    • Time Zone Offset—Select the difference in hours between Greenwich Mean Time (GMT) and the local time. For example, the Time Zone Offset for Paris is GMT +1, while the Time Zone Offset for New York is GMT – 5.

    • Time Zone Acronym—Enter a name that represents this time zone. This acronym appears in the Actual Time field.

  • Daylight Savings Settings—Select how DST is defined:

    • Daylight Savings—Select to enable Daylight Saving Time.

    • Time Set Offset—Enter the number of minutes offset from GMT ranging 1—1440. The default is 60.

    • Daylight Savings Type—Click one of the following:

      USA—DST is set according to the dates used in the USA.

      European—DST is set according to the dates used by the European Union and other countries that use this standard.

      By dates—DST is set manually, typically for a country other than the USA or a European country. Enter the parameters described below.

      Recurring—DST occurs on the same date every year.

      Selecting By Dates allows customization of the start and stop of DST:

  • From—Day and time that DST starts.

  • To—Day and time that DST ends.

Step 3

Selecting Recurring allows different customization of the start and stop of DST:

  • From—Date when DST begins each year.

    • Day—Day of the week on which DST begins every year.

    • Week—Week within the month from which DST begins every year.

    • Month—Month of the year in which DST begins every year.

    • Time—The time at which DST begins every year.

  • To—Date when DST ends each year. For example, DST ends locally every fourth Friday in October at 5:00 a.m.. The parameters are:

    • Day—Day of the week on which DST ends every year.

    • Week—Week within the month from which DST ends every year.

    • Month—Month of the year in which DST ends every year.

    • Time—The time at which DST ends every year.

Step 4

Click Apply. The system time values are written to the Running Configuration file.