| - Days abbreviated
 (abday) | 
      
      SunMon
 Tue
 Wed
 Thu
 Fri
 Sat
 glibc-HEAD | Example: Sun\nMon\nTue\nWed\nThu\nFri\nSat | 
|---|
        
        
            | - Weekday names
 (day) | 
      
      SundayMonday
 Tuesday
 Wednesday
 Thursday
 Friday
 Saturday
 glibc-HEAD |  | 
|---|
        
        
            | - Month abbreviations
 (abmon) | 
      
      JanFeb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 glibc-HEAD |  | 
|---|
        
        
            | - Month names
 (mon) | 
      
      JanuaryFebruary
 March
 April
 May
 June
 July
 August
 September
 October
 November
 December
 glibc-HEAD |  | 
|---|
        
        
            | - Date format
 (d_fmt) |  | Example: %m/%d/%YApprox. output of current value:30/10/2025
 | 
|---|
        
        
            | - Time format
 (t_fmt) |  | Example: %rApprox. output of current value:14:25:39
 | 
|---|
        
        
            | - AM/PM designations
 (am_pm) |  | Example: AM\nPM | 
|---|
        
        
            | - 12-hour Time format
 (t_fmt_ampm) |  | Example: %I:%M:%S %pApprox. output of current value:
 | 
|---|
        
        
            | - Week definition
 (week) |  |  | 
|---|
        
        
            | - Date and Time format
 (d_t_fmt) | 
      
      %a %d %b %Y %T glibc-HEAD | Example: %a %d %b %Y %r %Z (=Thu 04 Aug 2006 09:00am CET)Approx. output of current value:Thu 30 Nov 2025 14:25:40
 | 
|---|
        
        
            | - Long date and time format
 (date_fmt) | 
      
      %a %d %b %Y %T %Z glibc-HEAD | Example: %a %b %e %H:%M:%S %Z %YApprox. output of current value:Thu 30 Nov 2025 14:25:40 CET
 | 
|---|