I'm running Arch Linux. Recently, when I turn on my PC, the system time is set to 1:00 1 January 1970 - presumably the 1:00 o'clock is from the timezone shift.

Does anyone have any ideas why systemd isn't setting my system time correctly?

Some useful output (I think)...

[root@alex-desktop network.d]# timedatectl status
      Local time: Sun 2013-06-09 16:33:04 BST
  Universal time: Sun 2013-06-09 15:33:04 UTC
        RTC time: Sun 2013-06-09 15:18:50
        Timezone: Europe/London (BST, +0100)
     NTP enabled: yes
NTP synchronized: no
 RTC in local TZ: no
      DST active: yes
 Last DST change: DST began at
                  Sun 2013-03-31 00:59:59 GMT
                  Sun 2013-03-31 02:00:00 BST
 Next DST change: DST ends (the clock jumps one hour backwards) at
                  Sun 2013-10-27 01:59:59 BST
                  Sun 2013-10-27 01:00:00 GMT