Win7中Vbox跑Centos7发现时间紊乱，不知所措。

[lee@localhost ~]$ date
2014年 08月 09日 星期六 17:52:58 CST

[lee@localhost ~]$ timedatectl
      Local time: 六 2014-08-09 18:37:03 CST
  Universal time: 六 2014-08-09 10:37:03 UTC
        Timezone: Asia/Shanghai (CST, +0800)
     NTP enabled: yes
NTP synchronized: yes
RTC in local TZ: no
      DST active: n/a
[lee@localhost ~]$

【设置系统时区为本地时区】
[lee@localhost ~]$ timedatectl set-local-rtc true
==== AUTHENTICATING FOR org.freedesktop.timedate1.set-local-rtc ===
Authentication is required to control whether the RTC stores the local or UTC time.
Authenticating as: root
Password:
==== AUTHENTICATION COMPLETE ===

[lee@localhost ~]$ timedatectl
      Local time: 六 2014-08-09 18:40:10 CST
  Universal time: 六 2014-08-09 10:40:10 UTC
        Timezone: Asia/Shanghai (CST, +0800)
     NTP enabled: yes
NTP synchronized: yes
RTC in local TZ: yes
      DST active: n/a

Warning: The RTC is configured to maintain time in the local timezone. This
         mode is not fully supported and will create various problems with time
         zone changes and daylight saving adjustments. If at all possible use
         RTC in UTC, by calling 'timedatectl set-local-rtc 0'.
[lee@localhost ~]$

==================
登入取消网络时间；再修改时间！
然后注销看看？！

==================
[lee@localhost ~]$ date
2014年 08月 09日 星期六 10:46:31 CST

[lee@localhost ~]$ timedatectl
      Local time: 六 2014-08-09 10:46:48 CST
  Universal time: 六 2014-08-09 02:46:48 UTC
        Timezone: Asia/Shanghai (CST, +0800)
     NTP enabled: no
NTP synchronized: no
RTC in local TZ: yes
      DST active: n/a

Warning: The RTC is configured to maintain time in the local timezone. This
         mode is not fully supported and will create various problems with time
         zone changes and daylight saving adjustments. If at all possible use
         RTC in UTC, by calling 'timedatectl set-local-rtc 0'.
[lee@localhost ~]$

------------------