Suggestions for BXjaholiday
The following packages have something in common with the package BXjaholiday. The packages are ordered in decreasing similarity.
- bxcjkjatype: Typeset Japanese with pdfLaTeX and CJK
 - bxbase: BX bundle base components
 - bxghost: Ghost insertion for proper xkanjiskip
 - bxwareki: Convert dates from Gregorian to Japanese calender
 - bxjaprnind: Adjust the position of parentheses at paragraph head
 - bxjscls: Japanese document class collection for all major engines
 - bxjalipsum: Dummy text in Japanese
 - bxjatoucs: Convert Japanese character code to Unicode
 - endnotesj: Japanese-style endnotes
 - gckanbun: Kanbun typesetting for (u)pLaTeX and LuaLaTeX
 - texdate: Date printing, formatting, and manipulation in TeX
 - jfontmaps: Font maps and configuration tools for Japanese fonts
 - zxjafont: Set up Japanese font families for XeLaTeX
 - zxjatype: Standard conforming typesetting of Japanese, for XeLaTeX
 - basque-date: Print the date in Basque
 - analogclock: An analog ticking clock package for PDF output
 - calcage: Calculate the age of something, in years
 - clock: Graphical and textual clocks for TeX and LaTeX
 - dates209: Flexible date macros
 - dates: Macros for parsing date strings
 - eukdate: UK format dates, with weekday
 - isodate: Tune the output format of dates according to language
 - tdclock: A ticking digital clock package for PDF output
 - uhrzeit: Time printing, in German
 - wochtag: Generate the German weekday name for a date
 - time: Defines a macro \now to print the current time
 - datenumber: Convert a date into a number and vice versa
 - datetime2: Formats for dates, times and time zones
 - daytime: Print time of day
 - dayofweek: Calculate day of week, phase of moon
 - datestamp: Fixed date-stamps with LuaLaTeX