Pronunciation: [ðat tˈa͡ɪm] (IPA) 
The correct spelling of "that time" is /ðæt taɪm/. The first word, "that," is spelled with a voiced dental fricative /ð/, followed by the short vowel /æ/ and the voiceless alveolar stop /t/. The second word, "time," begins with the voiceless dental fricative /t/, followed by the diphthong /aɪ/ and the voiced alveolar nasal /m/. When pronounced correctly, the two words blend seamlessly together to form a natural-sounding phrase.
"That time" is an idiomatic expression that refers to a specific point or period in time that is being mentioned or discussed in a given context. It is often used to refer to a significant or specific moment, event, or era that holds relevance to the ongoing conversation or narrative.
The phrase "that time" is typically employed to draw attention to a particular past occurrence, often with the intention of providing further information or elaboration. It functions as a reference point that allows for a more precise understanding of the temporal aspect being talked about.
In colloquial usage, "that time" can also be applied to refer to a particular period in one's personal history or experience, allowing individuals to recall a specific instance or period with a sense of immediacy and vividness.
The expression is versatile and can be used in various contexts, ranging from casual conversations to formal writing. It enables individuals to refer back to a specific time frame, moment, or event conveniently, while providing additional details or clarifications to enhance comprehension of the topic under discussion.
Overall, "that time" serves as a fundamental tool in temporal communication, allowing individuals to accurately pinpoint and describe a particular point or period in the past that holds relevance to the current conversation or narrative.
The word "that" can be traced back to the Old English word "þæt", which came from the Germanic language family. It has been used in English since at least the 9th century. "Time" also has Old English origins, derived from the word "tīma", which can be traced back to the Proto-Germanic word "tīmô". Both "that" and "time" have undergone various phonetic changes over several centuries to become the words we use today. The combination "that time" simply refers to a specific period or moment in the past, present, or future.
