> For the complete documentation index, see [llms.txt](https://glossary.ecsa.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://glossary.ecsa.io/indexical-time.md).

# Indexical time

In linguistics, calendar time is contrasted to indexical time, i.e., tense in the form of past, present, and future. Temporal reference shifts with every event of speaking and is logically intensional, as is modality (necessity and possibility) and verbs of thinking, feeling, and speaking.