We have some settings that depend on your location. We have done some changes on the settings and you can try to test it again tomorrow (same time may be) and let us know the updates. We are working on the chat tools, to always improve our support better.
aha i'm from Iran,so you are not going to stop providing support to some countries like changes in your policies.. ? it's just a temporary problem then i will test again tomorrow.
If you are from Iran, it should just follow the chat timings mentioned in our Global website. It might have been some temporary issue; you can check it again tomorrow and keep us posted.