palantir/blueprint

DateInput3: Unable to select 6am with UTC timezone on the date of the end of daylight savings

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#6,524 创建于 2023年11月7日

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 (2 评论) (0 反应) (0 负责人)TypeScript (20,263 star) (2,167 fork)batch import
P2Package: datetimeType: bughelp wanted

描述

Environment

  • Package version(s): 5.6.0
  • Operating System: macOS
  • Browser name and version: Chrome

Steps to reproduce

  1. Visit the DateInput3 docs https://blueprintjs.com/docs/#datetime2/date-input3
  2. Select UTC timezone and November 5th 2023 (or another date of the end of daylight savings e.g: November 6th 2022)
  3. Try entering 6 am, incrementing 5am to 6am, or decrementing 7am to 6am and see it is not possible to persist the 6am selection

6am

Actual behavior

When attempting to select 6am with the UTC timezone on the date of the end of daylight savings the selection changes to 5am

Expected behavior

When entering 6am with the UTC timezone on the date of the end of daylight savings the selection should persist as 6am

贡献者指南

技术栈
typescriptreacthtmlcss
领域
frontend
议题类型
bug
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-3 hours
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
fresh
清晰度议题是否清楚说明期望改动、验收标准和下一步。
clear
前置要求
React basicsFamiliarity with date/time handling
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
65
研究方向
Investigate the DateInput3 component source code, particularly the timezone handling logic around daylight saving transitions. Look at how the component converts between UTC and local time, and identify where the 6am selection is incorrectly shifted to 5am. Check for any existing tests or comments related to DST behavior.