---
title: .Unix
description: Converts a time.Time value to the number of seconds elapsed since the Unix epoch, excluding leap seconds. The Unix epoch is 00:00:00 UTC on 1 January 1970.
categories: [functions]
menu:
  docs:
    parent: functions
function:
  aliases: []
  returnType: int64
  signatures:
    - .Unix
    - .UnixMilli
    - .UnixMicro
    - .UnixNano
relatedFunctions: []
---

The `Milli`, `Micro`, and `Nano` variants return the number of milliseconds, microseconds, and nanoseconds (respectively) elapsed since the Unix epoch.

```go-html-template
.Date.Unix        → 1637259694
.ExpiryDate.Unix  → 1672559999
.Lastmod.Unix     → 1637361786
.PublishDate.Unix → 1637421261

("1970-01-01T00:00:00-00:00" | time.AsTime).Unix → 0
("1970-01-01T00:00:42-00:00" | time.AsTime).Unix → 42
("1970-04-11T01:48:29-08:00" | time.AsTime).Unix → 8675309
("2026-05-02T20:09:31-07:00" | time.AsTime).Unix → 1777777771

now.Unix      → 1637447841
now.UnixMilli → 1637447841347
now.UnixMicro → 1637447841347378
now.UnixNano  → 1637447841347378799
```