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hugo/docs/content/en/methods/time/AddDate.md

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title description categories keywords action aliases
AddDate Returns the time corresponding to adding the given number of years, months, and days to the given time.Time value.
aliases related returnType signatures
time.Time
TIME.AddDate YEARS MONTHS DAYS
/functions/adddate 
{{ $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 from the Go team. {{% /note %}}

{{ $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