hugo/docs/content/en/functions/adddate.md

---
title: .AddDate
description: Returns the time corresponding to adding the given number of years, months, and days to the given time.Time value.
categories: [functions]
menu:
  docs:
    parent: functions
keywords: [dates,time]
signature: [".AddDate YEARS MONTHS DAYS"]
relatedfuncs: [now]
---

```go-html-template
{{ $d := "2022-01-01" | time.AsTime }}

{{ $d.AddDate 0 0 1 | time.Format "2006-01-02" }} --> 2022-01-02
{{ $d.AddDate 0 1 1 | time.Format "2006-01-02" }} --> 2022-02-02
{{ $d.AddDate 1 1 1 | time.Format "2006-01-02" }} --> 2023-02-02

{{ $d.AddDate -1 -1 -1 | time.Format "2006-01-02" }} --> 2020-11-30
```

{{% note %}}
When adding months or years, Hugo normalizes the final `time.Time` value if the resulting day does not exist. For example, adding one month to 31 January produces 2 March or 3 March, depending on the year.

See [this explanation](https://github.com/golang/go/issues/31145#issuecomment-479067967) from the Go team.
{{% /note %}}

```go-html-template
{{ $d := "2023-01-31" | time.AsTime }}
{{ $d.AddDate 0 1 0 | time.Format "2006-01-02" }} --> 2023-03-03

{{ $d := "2024-01-31" | time.AsTime }}
{{ $d.AddDate 0 1 0 | time.Format "2006-01-02" }} --> 2024-03-02

{{ $d := "2024-02-29" | time.AsTime }}
{{ $d.AddDate 1 0 0 | time.Format "2006-01-02" }} --> 2025-03-01
```