# start_time

Source: https://libtmux.org/en/tmux/3.7c/catalog/formats/start_time/

> Server start time

format variable tmux3.7c

Server start time

* Scope

  Describes the server being formatted

* Type

  Time, in seconds since the epoch

* Usage

  `#{start_time}`

## Description[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/start_time/#description)

Server start time

## Releases[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/start_time/#releases)

* [tmux 3.7c](https://libtmux.org/en/tmux/3.7c/catalog/formats/start_time/) : present
* [tmux 3.2a](https://libtmux.org/en/tmux/3.2a/catalog/formats/start_time/) : present

## Source[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/start_time/#source)

* Defined in

  [`format.c:3644`](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L3644)

* C source reference

  [`format_cb_start_time`](https://libtmux.org/en/tmux/3.7c/reference/c-function-format-c-format_cb_start_time/)

* CLI Manual

  [Original manual entry](https://libtmux.org/en/tmux/3.7c/manual/full/#start_time)

## Used by[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/start_time/#used-by)

Library documentation that names this format variable.

* TypeScript

  [`engine.DaemonGuard`](https://libtmux.org/en/ts/latest/reference/engine-daemonguard/)

* Go

  [`tmux.FormatValues.StartTime`](https://libtmux.org/en/go/latest/reference/tmux-formatvalues-starttime/)

* Java

  [`io.github.libtmux.control.ControlClient.attach`](https://libtmux.org/en/java/latest/reference/io-github-libtmux-control-controlclient-controlclient-attach/), [`io.github.libtmux.snapshot.ServerSnapshot.serverStartTime`](https://libtmux.org/en/java/latest/reference/io-github-libtmux-snapshot-serversnapshot-serversnapshot-serverstarttime/)