| Constant |
Category |
Meaning |
| CODESET |
LC_CTYPE |
Codeset name |
| D_T_FMT |
LC_TIME |
String for formatting date and time |
| D_FMT |
LC_TIME |
Date format string |
| T_FMT |
LC_TIME |
Time format string |
| T_FMT_AMPM |
LC_TIME |
A.M. or P.M. time format string |
| AM_STR |
LC_TIME |
Ante-meridiem affix |
| PM_STR |
LC_TIME |
Post-meridiem affix |
| DAY_1 |
LC_TIME |
Name of the first day of the week (e.g.: Sunday) |
| DAY_2 |
LC_TIME |
Name of the second day of the week (e.g.: Monday) |
| DAY_3 |
LC_TIME |
Name of the third day of the week (e.g.: Tuesday) |
| DAY_4 |
LC_TIME |
Name of the fourth day of the week (e.g.: Wednesday) |
| DAY_5 |
LC_TIME |
Name of the fifth day of the week (e.g.: Thursday) |
| DAY_6 |
LC_TIME |
Name of the sixth day of the week (e.g.: Friday) |
| DAY_7 |
LC_TIME |
Name of the seventh day of the week (e.g.: Saturday) |
| ABDAY_1 |
LC_TIME |
Abbreviated name of the first day of the week |
| ABDAY_2 |
LC_TIME |
Abbreviated name of the second day of the week |
| ABDAY_3 |
LC_TIME |
Abbreviated name of the third day of the week |
| ABDAY_4 |
LC_TIME |
Abbreviated name of the fourth day of the week |
| ABDAY_5 |
LC_TIME |
Abbreviated name of the fifth day of the week |
| ABDAY_6 |
LC_TIME |
Abbreviated name of the sixth day of the week |
| ABDAY_7 |
LC_TIME |
Abbreviated name of the seventh day of the week |
| MON_1 |
LC_TIME |
Name of the first month of the year |
| MON_2 |
LC_TIME |
Name of the second month |
| MON_3 |
LC_TIME |
Name of the third month |
| MON_4 |
LC_TIME |
Name of the fourth month |
| MON_5 |
LC_TIME |
Name of the fifth month |
| MON_6 |
LC_TIME |
Name of the sixth month |
| MON_7 |
LC_TIME |
Name of the seventh month |
| MON_8 |
LC_TIME |
Name of the eighth month |
| MON_9 |
LC_TIME |
Name of the ninth month |
| MON_10 |
LC_TIME |
Name of the tenth month |
| MON_11 |
LC_TIME |
Name of the eleventh month |
| MON_12 |
LC_TIME |
Name of the twelfth month |
| ABMON_1 |
LC_TIME |
Abbreviated name of the first month |
| ABMON_2 |
LC_TIME |
Abbreviated name of the second month |
| ABMON_3 |
LC_TIME |
Abbreviated name of the third month |
| ABMON_4 |
LC_TIME |
Abbreviated name of the fourth month |
| ABMON_5 |
LC_TIME |
Abbreviated name of the fifth month |
| ABMON_6 |
LC_TIME |
Abbreviated name of the sixth month |
| ABMON_7 |
LC_TIME |
Abbreviated name of the seventh month |
| ABMON_8 |
LC_TIME |
Abbreviated name of the eighth month |
| ABMON_9 |
LC_TIME |
Abbreviated name of the ninth month |
| ABMON_10 |
LC_TIME |
Abbreviated name of the tenth month |
| ABMON_11 |
LC_TIME |
Abbreviated name of the eleventh month |
| ABMON_12 |
LC_TIME |
Abbreviated name of the twelfth month |
| ERA |
LC_TIME |
Era description segments |
| ERA_D_FMT |
LC_TIME |
Era date format string |
| ERA_D_T_FMT |
LC_TIME |
Era date and time format string |
| ERA_T_FMT |
LC_TIME |
Era time format string |
| ALT_DIGITS |
LC_TIME |
Alternative symbols for digits |
| RADIXCHAR |
LC_NUMERIC |
Radix character |
| THOUSEP |
LC_NUMERIC |
Separator for thousands |
| YESEXPR |
LC_MESSAGES |
Affirmative response expression |
| NOEXPR |
LC_MESSAGES |
Negative response expression |