Docker Container: time/timezone wrong

I am in a running docker container with node and for some reason the timezones / the time of the host machine vs inside the docker container never line up:

root@foobar:~# node -e "console.log(new Date())"
>> Tue May 17 2016 15:12:43 GMT+0200 (CEST)
root@foobar:~# docker exec 9179105c0ff9 node -e "console.log(new Date())"
>> Tue May 17 2016 13:13:01 GMT+0000 (Europe)
root@foobar:~# cat /etc/timezone
>> Europe/Vienna
root@foobar:~# docker exec 9179105c0ff9 cat /etc/timezone
>> Europe/Vienna

So what I already did in my docker-start shell is script is the following:

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  • docker run \
    -v /etc/localtime:/etc/localtime:ro \
    -v /etc/timezone:/etc/timezone:ro \
    -e "TZ=Europe/Vienna" \

    … but still, as you can see in the first codeblock, the time is still wrong! Any ideas on this? What am I missing?

    (fyi: I am running a meteor app deployed via mupx)


    After running date on the host and inside the container, there again is a difference of 2hrs. so for some reason the docker container just does not “apply” my timezone and it seems like the problem is not JS/node related, since dateis just a simple unix system cmd … what am I missing here?!

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    >> Tue May 17 2016 15:12:43 GMT+0200 (CEST)


    >> Tue May 17 2016 13:13:01 GMT+0000 (Europe)

    are approximately the same time(around 18sec difference, because you didn’t ran the commands at the same time).
    Take a closer look, it’s around 3pm GMT+0200 and around 1pm GMT+0000.
    This is just a difference in output format, but the time is the same.
    If you execute .getTime() on the value of the new Date(), you will probably have the same values.
    This is probably due to differences in default output format in different node.js versions.

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