morgig
tomorrow's
Refers to the next day; belonging to tomorrow or taking place tomorrow.
Die morgige Besprechung wurde auf 10 Uhr verschoben.
Tomorrow's meeting has been moved to 10 o'clock.

tomorrow's
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tomorrow's
Refers to the next day; belonging to tomorrow or taking place tomorrow.
Die morgige Besprechung wurde auf 10 Uhr verschoben.
Tomorrow's meeting has been moved to 10 o'clock.

The adjective 'morgig' (tomorrow's) is derived from 'morgen' (tomorrow). This structure is also found with other time adverbs, for example 'heute' (today) → 'heutig' (today's) and 'gestern' (yesterday) → 'gestrig' (yesterday's).
Die heutige Jugend hat andere Interessen als die gestrige.
Today's youth have different interests than yesterday's.
'morgig' (tomorrow's) is used almost exclusively before a noun (attributive use). Using it as a stand-alone adjective after the verb is very unusual.
Bitte bereiten Sie sich auf das morgige Treffen gut vor.
Please prepare well for tomorrow's meeting.
Common nouns that are combined with 'morgig' (tomorrow's) are 'der morgige Tag' (tomorrow), 'die morgige Ausgabe' (tomorrow's issue, of a newspaper), or 'das morgige Programm' (tomorrow's program).
Ich freue mich schon auf den morgigen Ausflug.
I'm already looking forward to tomorrow's excursion.
tomorrow / morning
'morgen' and 'morgig' both refer to the next day. 'morgen' is an adverb and appears directly in the sentence: you do something tomorrow. 'morgig' is an adjective and stands with a noun, for example 'der morgige Termin' (tomorrow's appointment). It sounds rather formal and is used less often in everyday language. Learners may confuse the words because both mean the same day. As a practical rule: in normal sentences, you say 'morgen'; before a noun, 'morgig' may fit.

Für die morgige Reise hat die Familie schon alles gepackt.
The family has already packed everything for tomorrow's trip.
Er lernt morgen in der Küche weiter, weil die Prüfung bald ist.
He'll continue studying in the kitchen tomorrow because the exam is soon.