[ruby-core:121602] [Ruby Bug#21141] `Time#utc?` does not work with a timezone object
From:
"nagachika (Tomoyuki Chikanaga) via ruby-core" <ruby-core@...>
Date:
2025-04-09 08:28:03 UTC
List:
ruby-core #121602
Issue #21141 has been updated by nagachika (Tomoyuki Chikanaga).
Backport changed from 3.1: REQUIRED, 3.2: REQUIRED, 3.3: REQUIRED, 3.4: DONE to 3.1: REQUIRED, 3.2: REQUIRED, 3.3: DONE, 3.4: DONE
ruby_3_3 commit:4ca521e91342165ed35cb12c9868f10e2a6aa07c merged revision(s) commit:06919949a60b42a8f30e8bd0cb075e17b05eebcd, commit:51bc992822f9108ad64de32d300e1cefd0e2da59, commit:42daa6c2a2b49b4e45f40736e25c7d182860f24a.
----------------------------------------
Bug #21141: `Time#utc?` does not work with a timezone object
https://bugs.ruby-lang.org/issues/21141#change-112653
* Author: nobu (Nobuyoshi Nakada)
* Status: Closed
* Backport: 3.1: REQUIRED, 3.2: REQUIRED, 3.3: DONE, 3.4: DONE
----------------------------------------
```ruby
require 'timezone'
require 'tzinfo'
t = Time.now(in: "UTC")
t_timezone = Time.now(in: Timezone["UTC"])
t_tzinfo = Time.now(in: TZInfo::Timezone.get("UTC"))
p t.utc? #=> true
p t_timezone.utc? #=> false
p t_tzinfo.utc? #=> false
```
This also affects `strftime("%-z")`.
--
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