Set the time zone on centos

[Root @ localhost ~] # Date-R // view the time zone

Mon, 19 May 2014 10:18:46 + 0000

[Root @ localhost ~] # Tzselect // set and modify the time zone

Please identify a location so that time zone rules can be set correctly.

Please select a continent or ocean.

1) Africa

2) Americas

3) Antarctica

4) Arctic Ocean

5) Asia

6) Atlantic Ocean

7) Australia

8) Europe

9) Indian Ocean

10) Pacific Ocean

11) none-I want to specify the time zone using the Posix TZ format.

#? 5

Please select a country.

1) Afghanistan 18) Israel 35) Palestine

2) Armenia 19) Japan 36) Philippines

3) Azerbaijan 20) Jordan 37) Qatar

4) Bahrain 21) Kazakhstan 38) Russia

5) Bangladesh 22) Korea (North) 39) Saudi Arabia

6) Bhutan 23) Korea (South) 40) Singapore

7) Brunei 24) Kuwait 41) Sri Lanka

8) Cambodia 25) Kyrgyzstan 42) Syria

9) China 26) Laos 43) Taiwan

10) Cyprus 27) Lebanon 44) Tajikistan

11) East Timor 28) Macau 45) Thailand

12) Georgia 29) Malaysia 46) Turkmenistan

13) Hong Kong 30) Mongolia 47) United Arab Emirates

14) India 31) Myanmar (Burma) 48) Uzbekistan

15) Indonesia 32) Nepal 49) Vietnam

16) Iran 33) Oman 50) Yemen

17) Iraq 34) Pakistan

#? 9

Please select one of the following time zone regions.

1) east China-Beijing, Guangdong, Shanghai, etc.

2) Heilongjiang (using t Mohe), Jilin

3) central China-Sichuan, Yunnan, Guangxi, Shaanxi, Guizhou, etc.

4) most of Tibet & Xinjiang

5) west Tibet & Xinjiang

#? 1

The following information has been given:

China

East China-Beijing, Guangdong, Shanghai, etc.

Therefore TZ = 'Asia/Shanghai' will be used.

Local time is now: Mon May 19 18:19:27 CST 2014.

Universal Time is now: Mon May 19 10:19:27 UTC 2014.

Is the above information OK?

1) Yes

2) No

#? 1

You can make this change permanent for yourself by appending the line

TZ = 'Asia/Shanghai'; export TZ

To the file '. profile' in your home directory; then log out and log in again.

Here is that TZ value again, this time on standard output so that you

Can use the/usr/bin/tzselect command in shell scripts:

Asia/Shanghai

[Root @ localhost ~] # Date

Mon May 19 10:19:45 UTC 2014

[Root @ localhost ~] # Cp/usr/share/zoneinfo/Asia/Shanghai/etc/localtime // replace the system time zone File

Cp: overwrite '/etc/localtime '? Y

[Root @ localhost ~] # Ntpdate time. windowscom

^ [[A ^ C

[Root @ localhost ~] # Ntpdate time.windows.com // synchronization time

19 May 18:22:09 ntpdate [3400]: adjust time server 65.55.56.206 offset-0.286027 sec

[Root @ localhost ~] # Date

Mon May 19 18:22:10 CST 2014

// Reference: http://blog.163.com/zilichen0213@126/blog/static/17303755520118423614908/