# Configuring recurring daylight savings time

Use the following procedure to configure recurring daylight savings time start and end times.

## Procedure

1. From the navigation tree, double-click Edit.
2. In the Edit tree, click SNTP/Clock.
3. In the work area, click the Summer Time Recurring tab
4. To enable recurring daylight savings time, click the Recurring check box. To disable recurring daylight savings time, clear the check box.
5. In the RecurringStartMonth field, select a month from the list.
6. In the RecurringStartWeek field, click a radio button.
7. In the RecurringStartDay field, select a day from the list.
8. In the RecurringStartHour field, select an hour from the list.
9. In the RecurringStartMinute field, type a value.
10. In the RecurringEndMonth, select a month from the list.
11. In the RecurringEndWeek, click a radio button.
12. In the RecurringEndDay field, select a day from the list.
13. In the RecurringEndHour field, select an hour from the list.
14. In the RecurringEndMinute field, type a value.
15. In the RecurringOffset field, type a value.
16. On the toolbar, click Apply.

## Variable definitions

The following table describes configuring recurring daylight savings time.

Variable | Value
--- | ---
Recurring | Specifies to enable or disable recurring daylight savings time. Click to enable, clear to disable.
RecurringStartMonth | Specifies the month of each year to start DST.
RecurringStartWeek | Specifies the week of the month to start DST. If week 5 is selected and not available in a certain year, recurring start uses the 'last' option. For example, in a year without a Sunday in the fifth week of March, DST starts on the last Sunday of March.
RecurringStartDay | Specifies the day to start DST.
RecurringStartHour | Specifies the hour to start DST.
RecurringStartMinutes | Specifies minutes in the specific hour to start DST.
RecurringEndMonth | Specifies the month to end DST.
RecurringEndWeek | Specifies the week of the month to end DST. If week 5 is selected and not available in a certain year, recurring end uses the 'last' option. For example, in a year without a Sunday in the fifth week of October, DST ends on the last Sunday of October.
RecurringEndDay | Specifies the day to end DST.
RecurringEndHour | Specifies the hour to end DST.
RecurringEndMinutes | Specifies the minutes in the specific hour to end DST.
RecurringOffset | Specifies the time in minutes to change the time when DST starts and ends. The offset is added to the current time when DST starts, and is subtracted when DST ends.