Timezone incorrect

Support
1

I use a docker install of diyHue in Raspbian with deConz, connected to the bridge with the Hue Essentials app. I thought the schedules weren’t working, but apparently they start exactly one hour too late. For example: I set my schedule to turn on the kitchen lights at 20.00h, but they turn on at 21.00h. I believe the same problem exists for sunrise/sunset schedules, they are 1 hour too late.

In Hue Essentials I have set my timezone to “Europe/Amsterdam” (I live in the Netherlands) and also my home location was set.

Is there a problem with my particular timezone in diyHue, maybe because of summer/winter time? Isthere’s a way to check the actual time the diyHue is working with?

2

I think we need docker env variable for timezone. Can you try TZ=Europe/Amsterdam ?

3

Thanks for your reply.

I found a way to check the time in docker and Raspbian, it seems you are right. Raspbian is at the correct timezone (CET), but docker is at a different timezone (UTC) with 1 hour difference:

pi@raspberrypi:~ $ date
Wed 11 Mar 2020 04:52:19 PM CET
pi@raspberrypi:~ $ docker exec -it diyHue bash
root@raspberrypi:/opt/hue-emulator# date
Wed Mar 11 15:53:55 UTC 2020
root@raspberrypi:/opt/hue-emulator#

I don’t know much about docker and have only basic knowledge about Linux, so I rely on information I find online. I found this old topic online about adding TZ info when starting docker, is this the correct way to do this for diyHue?:

docker run -e TZ=Europe/Amsterdam diyHue date

I really don’t want to mess this up by trial and error, it already cost me way too much time to get it running properly :wink:

4

You can set the timezone in your config. JSON file, can’t you? Isn’t that the timezone that is used by DIYHue? Or does it just use the system clock?

5

Correct! You can set the Timezone for diyHue in the config.json file, located in the main installation directory.

6

Thanks for the replies. I have a docker install, so I have to edit config.json in /mnt/hue-emulator/export right?

I have stopped diyHue (docker stop diyHue), copied that config.json file and checked the following 2 lines (the first line said “UTC”, the second line was already set correct by Hue Essentials):

},
“config”: {
“Hue Essentials key”: “xxxxxxxxxxxx”,
“Remote API enabled”: true,
“Europe/Amsterdam”: “2020-03-12T16:24:57”,
“apiversion”: “1.35.0”,
“backup”: {
“errorcode”: 0,
“status”: “idle”
},
“bridgeid”: “xxxxxxxxxxxxxxxxxxx”,
“datastoreversion”: “70”,
“dhcp”: true,
“factorynew”: false,
“gateway”: “192.168.1.1”,
“internetservices”: {
“internet”: “connected”,
“remoteaccess”: “connected”,
“swupdate”: “connected”,
“time”: “connected”
},
“ipaddress”: “192.168.1.11”,
“linkbutton”: false,
“localtime”: “2020-03-12T16:24:57”,
“mac”: “b8:27:eb:d1:22:00”,
“modelid”: “BSB002”,
“name”: “diyHue”,
“netmask”: “255.255.255.0”,
“portalconnection”: “connected”,
“portalservices”: true,
“portalstate”: {
“communication”: “disconnected”,
“incoming”: false,
“outgoing”: true,
“signedon”: true
},
“proxyaddress”: “none”,
“proxyport”: 0,
“replacesbridgeid”: null,
“starterkitid”: “”,
“swupdate”: {
“checkforupdate”: false,
“devicetypes”: {
“bridge”: false,
“lights”: ,
“sensors”:
},
“notify”: true,
“text”: “”,
“updatestate”: 0,
“url”: “”
},
“swupdate2”: {
“autoinstall”: {
“on”: true
}
},
“swversion”: “1935144020”,
“timezone”: “Europe/Amsterdam”,
“touchlink”: true,
“whitelist”: {

After that I copied the file back to /mnt/hue-emulator/export and started diyHue again (docker start diyHue). I added a schedule for turning some lights off in 2 minutes, but it didn’t work. I changed the schedule with 1 hour difference and it does work, same as before.
Changing those 2 lines in config.json didn’t do anything as far as I can tell and neither does changing the timezone in Hue Essentials.

Is there another line I should change, or is changing the timezone for docker the solution? If so, is this the correct way?:

docker run -e TZ=Europe/Amsterdam diyHue date

7

That doesn’t work either:

pi@raspberrypi:~ $ docker run -e TZ=Europe/Amsterdam diyHue
docker: invalid reference format: repository name must be lowercase.
See ‘docker run --help’.