Locale code
Get localized day name (e.g., "初一", "十五", "廿八")
Festival name mappings (key → localized name)
Heavenly Stems (天干) in the locale's script
Get localized month name, with leap prefix if applicable
24 solar term names in the locale's script
Format a year string from GanZhi and zodiac
Earthly Branches (地支) in the locale's script
Zodiac animals in the locale's script
Locale data for formatting
Provides localized strings for all calendar elements: stems, branches, zodiac, month names, day names, and solar terms.