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Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →

instance method

Date#rfc2822

() -> ::String
rfc2822 → string

Equivalent to strftime with argument '%a, %-d %b %Y %T %z'; see Formats for Dates and Times:

Example
Date.new(2001, 2, 3).rfc2822 # => "Sat, 3 Feb 2001 00:00:00 +0000"
See also .rfc2822 #prev_year #rfc3339 #prev_month also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0