The way the time is displayed depends of the configured time zone. To change the time zone, issue this:
Clock timezone [zone acronym]
Acronym Time Zone Name and UTC Offset
Europe
GMT Greenwich Mean Time, as UTC
BST British Summer Time, as UTC + 1 hour
IST Irish Summer Time, as UTC + 1 hour
WET Western Europe Time, as UTC
WEST Western Europe Summer Time, as UTC + 1 hour
CET Central Europe Time, as UTC + 1
CEST Central Europe Summer Time, as UTC + 2
EET Eastern Europe Time, as UTC + 2
EEST Eastern Europe Summer Time, as UTC + 3
MSK Moscow Time, as UTC + 3
MSD Moscow Summer Time, as UTC + 4
United States and Canada
AST Atlantic Standard Time, as UTC -4 hours
ADT Atlantic Daylight Time, as UTC -3 hours
ET Eastern Time, either as EST or EDT, depending on place and time of year
EST Eastern Standard Time, as UTC -5 hours
EDT Eastern Daylight Saving Time, as UTC -4 hours
CT Central Time, either as CST or CDT, depending on place and time of year
CST Central Standard Time, as UTC -6 hours
CDT Central Daylight Saving Time, as UTC -5 hours
MT Mountain Time, either as MST or MDT, depending on place and time of year
MST Mountain Standard Time, as UTC -7 hours
MDT Mountain Daylight Saving Time, as UTC -6 hours
PT Pacific Time, either as PST or PDT, depending on place and time of year
PST Pacific Standard Time, as UTC -8 hours
PDT Pacific Daylight Saving Time, as UTC -7 hours
AKST Alaska Standard Time, as UTC -9 hours
AKDT Alaska Standard Daylight Saving Time, as UTC -8 hours
HST Hawaiian Standard Time, as UTC -10 hours
Australia
WST Western Standard Time, as UTC + 8 hours
CST Central Standard Time, as UTC + 9.5 hours
EST Eastern Standard/Summer Time, as UTC + 10 hours (+11 hours during summer time)
To configure the system to automatically switch to summer time (daylight saving time), use one of the formats of the clock summer-time command:
clock summer-time MET recurring last Sun Mar 2:00 last Sun Oct 3:00
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