Prefix used with dates to mean 'the coming' or 'next', e.g., 明4日 (the coming 4th). Rare and somewhat formal.
The meeting will be held on the coming 4th.
In esoteric Buddhism, vidya means the wisdom that leads to enlightenment.
Purify the mind by chanting the mantra.
The meeting on the coming 4th is from 2 p.m.
翌 is the common, everyday prefix for 'next' (翌日, 翌月), while 明 as a 'next/coming' prefix is rarer, more formal, and used mainly with specific dates.
tomorrow morning
great god; gracious deity; miracle-working god
morning star; Venus · star; leading light; preeminent person
bright light; radiance · hope; bright future; glimmer of hope · Buddhist light of wisdom and compassion
alum
votive light; light offered to a deity or Buddha
avidya; ignorance
clearness; clear understanding
From Middle Chinese 明 (mjaeng, 'bright, clear'). In Buddhist usage, translates Sanskrit vidyā (wisdom) and mantra.
sabdavidya; ancient Indian linguistic studies · Buddhist hymn chanting; shōmyō chanting
next year
tomorrow evening
three kinds of awareness
the five sciences of ancient India
adhyatma vidya; science of spirituality
hetuvidya; Buddhist logic
mantra (Buddhist)
tomorrow night
tomorrow morning