---
type: "term"
title: "Estimated Δt"
description: "An approximate Δt value derived from partial evidence when precise timestamps are unavailable."
resource: "tlctc:term:estimated-t"
tags:
  - "glossary"
---
# Estimated Δt

An approximate Δt value derived from partial evidence when precise timestamps are unavailable. Notation: `Δt~15m`.

**Reference:** §12.0.3, §12.2.3