Relative date format issue

Alteras · August 27, 2024, 11:17pm

This seems to be a Contribute > Bug with simplified chinese caused by the date format strings in the locale files. Looking at the git history, in v3.3.0, the format is:

github.com/discourse/discourse

config/locales/client.zh_CN.yml

v3.3.0


      
            percent: "%{count}%"
            short:
              thousands: "%{number}k"
              millions: "%{number}M"
          dates:
            time: "HH:mm"
            time_with_zone: "HH:mm (z)"
            time_short_day: "ddd, HH:mm"
            timeline_date: "YYYY 年 M 月"
            long_no_year: "M 月 D 日 HH:mm"
            long_no_year_no_time: "M 月 D 日"
            full_no_year_no_time: "M 月 D 日"
            long_with_year: "YYYY 年 M 月 D 日 HH:mm"
            long_with_year_no_time: "YYYY 年 M 月 D 日"
            full_with_year_no_time: "YYYY 年 M 月 D 日"
            long_date_with_year: "YYYY 年 MMM 月 D 日 LT"
            long_date_without_year: "M 月 D 日 LT"
            long_date_with_year_without_time: "YYYY 年 MMM 月 D 日"
            long_date_without_year_with_linebreak: "M 月 D 日<br/>LT"
            long_date_with_year_with_linebreak: "YYYY 年 MMM 月 D 日<br/>LT"
            wrap_ago: "%{date} 前"

github.com/discourse/discourse

config/locales/client.zh_CN.yml

v3.3.0


      
          date_month: "M 月 D 日"
          date_year: "YYYY 年 MMM 月"

It looks like they were updated recently to (confirmed live in 3.4.0.beta1-dev)

github.com/discourse/discourse

config/locales/client.zh_CN.yml

6136a275d


      
            percent: "%{count}%"
            short:
              thousands: "%{number}k"
              millions: "%{number}M"
          dates:
            time: "HH:mm"
            time_with_zone: "HH:mm (z)"
            time_short_day: "ddd, HH:mm"
            timeline_date: "YYYY 年 MMM"
            long_no_year: "MMM D 日 HH:mm"
            long_no_year_no_time: "MMM D 日"
            full_no_year_no_time: "MMMM Do 日"
            long_with_year: "YYYY 年 MMM D 日 HH:mm"
            long_with_year_no_time: "YYYY 年 MMM D 日"
            full_with_year_no_time: "YYYY 年 MMMM Do 日"
            long_date_with_year: "YYYY 年 MMM D 日 LT"
            long_date_without_year: "MMM D 日 LT"
            long_date_with_year_without_time: "YYYY 年 MMM D 日"
            long_date_without_year_with_linebreak: "MMM D 日<br/>LT"
            long_date_with_year_with_linebreak: "YYYY 年 MMM D 日<br/>LT"
            wrap_ago: "%{date} 前"

github.com/discourse/discourse

config/locales/client.zh_CN.yml

6136a275d


      
          date_month: "MMM D 日"
          date_year: "YYYY 年 MMM"

Testing the format string "MMM D 日" against with the default Momentjs config for zh-cn in a codepen, it is producing the observed defect (ie "8月 2 日")

For immediate fix, you can change the format via the translation for js.dates.tiny.date_month and js.dates.long_no_year_no_time as so:

Topic		Replies	Views
Change to DD Mmm / Mmm 'YY for post dates UX	34	7904	December 24, 2018
Localization Formatting Error in the %{date} function Translations	4	216	September 30, 2025
How do you get the short date form to show "Dec '22" last calendar year? Support	1	300	February 27, 2023
:poland: Missing date.abbr_month_names Translations	1	1429	November 6, 2019
Wrong relative timestamps in some languages UX translation	6	191	October 11, 2024

Relative date format issue

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