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---
title: Truncate
description: Returns the result of rounding TIME down to a multiple of DURATION since January 1, 0001, 00:00:00 UTC.
categories: []
keywords: []
action:
related:
- functions/time/AsTime
- functions/time/ParseDuration
- methods/time/Round
returnType: time.Time
signatures: [TIME.Truncate DURATION]
---
The `Truncate` method operates on TIME as an absolute duration since the [zero time]; it does not operate on the presentation form of the time. If DURATION is a multiple of one hour, `Truncate` may return a time with a non-zero minute, depending on the time zone.
```go-html-template
{{ $t := time.AsTime "2023-01-27T23:44:58-08:00" }}
{{ $d := time.ParseDuration "1h"}}
{{ ($t.Truncate $d).Format "2006-01-02T15:04:05-00:00" }} → 2023-01-27T23:00:00-00:00
```
[zero time]: /getting-started/glossary/#zero-time
|
