amararya

Is there any other factor that may impact?

yes, it’s correct

Is it also possible that some plugin conflicting with time?

No, but it’s not publishing accordingly my timezone, post publishes when the scheduled time meet 1 hour before universal time. that’s confusing thing.

Now I’ve disable jQuery/JavaScript minifier from cloudflare. But I don’t know what is JQMigrate, I think it automatically came after updating to wordpress 4.5

thanks for reply.
my site is https://www.sawanwap.com
and now I’ve selected #text-10 for stick and also checked Debug mode.