---
title: time.start.usec
summary: null
url: >-
  https://www.fastly.com/documentation/reference/vcl/variables/client-request/time-start-usec
---

**Type:** STRING  
**Access:** read-only

**Available in:** all subroutines

The time the request started in microseconds since the 
[Unix Epoch](https://en.wikipedia.org/wiki/Unix_time), after TLS termination.