C1366 Departure sky ice realm
The mortals of the mortal world had a lifespan of over a hundred years, yet they had disappeared in the blink of an eye, thus the distinction between each day was very clear.
But an Immortal-Realm cultivator's life span could reach 100,000 years. In this long period of time, seven days wasn't worth mentioning at all. After all, if they randomly went into closed door cultivation