Even though I haven't fixed the time with the game rule command, it won't be night
I searched on the web, but it did not come out, so I will report it here.
However, it may be because of the weight reduction mods such as Optifine, but I think that there is no possibility, but what about it?
(Because I am Japanese, I translated using Google Translate, so some translations may be incorrect.)
(Unfortunately, I don't know the Java version, so I won't write it in the environment.)