Changes in time in Linux

# Tzselect
Please identify a, so, 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
Pacific Ocean
One) None-i want to specify the time zone using the Posix TZ format.
#? 5
Please select a country.
1) Afghanistan Israel) Palestine
2) Armenia Japan) Philippines
3) Azerbaijan Jordan PNs) Qatar
4) Bahrain Kazakhstan) Russia
5) Bangladesh Korea (north), Saudi Arabia
6) Korea (south) Bhutan) Singapore
7) Brunei Kuwait) Sri Lanka
8) Cambodia Kyrgyzstan) Syria
9) Laos) Taiwan
(Cyprus) Lebanon) Tajikistan
(one) East Timor) Macau Thailand
(Georgia) Malaysia) Turkmenistan
Hong Kong) Mongolia Arab Emirates
India) Myanmar (Burma) Uzbekistan
(Indonesia) Nepal) Vietnam
Iran) Oman Yemen
() Iraq) Pakistan
#? 9
Please select one of the following time zone regions.
1) Beijing time
2) Xinjiang time
#? 1The following information has been given:

China
Beijing time

Therefore tz= ' Asia/shanghai ' would be used.
Local time is Now:thu Apr 16:12:41 CST 2016.
Universal time is Now:thu Apr 08:12:41 UTC 2016.
is the above information OK?
1) Yes
2) No
#? 1
You can make the permanent to yourself by appending the line
tz= ' Asia/shanghai '; Export TZ
To the file '. Profiles ' in your home directory; Then logs out and logs in again.

Here is the TZ value again, this time
can use The/usr/bin/tzselect command in shell scripts:
Asia/shanghai
Select Asia China GMT

# cp/usr/share/zoneinfo/asia/shanghai/etc/localtime (copy files to/etc directory)
# ntpdate time.windows.com (update time)
# hwclock-w (write hardware)

# reboot Restart the server print time check to match the selection time

Changes in time in Linux