HP Cisco Nexus 5000 Cisco Nexus 5000 Series Switch CLI Software Configuration - Page 88

Adjusting for Daylight Saving Time or Summer Time Configuring the Switch Procedure Step 1 Step 2 Step 3 Step 4 Step 5 Command or Action switch# configure terminal switch(config)# clock timezone timezone hours_offset minutes_offset switch(config)# exit switch# show clock switch# show run Purpose Enters configuration mode. Sets the time zone. timezone is the three letter time zone (PST for Pacific Standard), the hours offset from UTC (-8 for the PST offset), and minutes offset (needed for time zones such as Newfoundland Standard (NST) or India Standard (IST)). Returns to EXEC mode. Verifies the time zone configuration. Displays changes made to the time zone configuration along with other configuration information. Adjusting for Daylight Saving Time or Summer Time You can configure your switch to adjust for daylight saving time (or summer time). By default, Cisco NX-OS does not automatically adjust for daylight saving time. You must manually configure the switch to adjust to the daylight saving time. For example, following U.S. standards (defined by the Energy Policy Act of 2005), you can have the switch advance the clock one hour at 2:00 a.m. on the second Sunday in March and move back the clock one hour at 2:00 a.m. on the first Sunday in November. You can also explicitly specify the start and end dates and times and whether or not the time adjustment recurs every year. To enable the daylight saving time clock adjustment, perform this task: Procedure Step 1 Step 2 Step 3 Command or Action switch# configure terminal switch(config)# clock summer-time timezone start_week start_day start_month start_time end_week end_day end_month end_time offset Purpose Enters configuration mode. Sets the daylight savings time for a specified time zone. The start and end values are as follows: • Week ranging from 1 through 5 • Day ranging from Sunday through Saturday • Month ranging from January through December The daylight offset ranges from 1 through 1440 minutes, which are added to the start time and deleted time from the end time. switch(config)# no clock summer-time Disables the daylight saving time adjustment feature. Cisco Nexus 5000 Series Switch CLI Software Configuration Guide 42 OL-16597-01