also: ごごイチ
first thing in the afternoon
Colloquial term used in business or daily conversation to refer to the very beginning of the afternoon, typically right after lunch or the start of the afternoon work period.
There's a meeting first thing in the afternoon.
I'll call you first thing in the afternoon.
Means 'first thing in the morning'; 午後一 is the afternoon equivalent.
Standard kanji spelling; 一 is read as いち.
Katakana spelling of 一, common in casual writing.
Compound of 午後 (afternoon) and 一 (one), literally 'afternoon one', referring to the first part of the afternoon.