--- title: .AddDate description: Returns the time corresponding to adding the given number of years, months, and days to the given time.Time value. date: 2017-02-01 publishdate: 2017-02-01 lastmod: 2017-02-01 categories: [functions] menu: docs: parent: "functions" keywords: [dates,time] signature: [".AddDate YEARS MONTHS DAYS"] workson: [times] hugoversion: relatedfuncs: [now] deprecated: false aliases: [] --- ```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 ```