What is another word for time-marker?
Pronunciation: [tˈa͡ɪmmˈɑːkə] (IPA) 
A time-marker is a word or phrase that indicates the time frame of an event. There are many synonyms for time-marker, such as temporal adverb, temporal conjunction, temporal preposition, and temporal noun. Temporal adverbs include words like today, now, soon, and then. Temporal conjunctions include words like after, before, until, and while. Temporal prepositions include words like during, throughout, and within. Temporal nouns include words like moment, season, year, and century. Using different time-markers can add variety and richness to your writing, allowing your readers to better understand the timeline of the events you are describing.
