Common Era;  CE;  Christian Era;  Western (Gregorian) calendar
 Japan's old (lunisolar) calendar
 calendar reform;  adoption of a new calendar system;  new calendar (for a new year);  new year
 the solar calendar;  the Gregorian calendar
 Meireki era (1655.4.13-1658.7.23)
 Hōreki era (1751.10.27-1764.6.2)
 Tang lunar calendar, used for 823 years in Japan
 calendar-construction rules
 the study of the calendar
 Japanese calendar;  Japanese imperial year
 calendar year;  civil year;  time;  year after year
 calendar making;  number of years;  one's fate;  the year
 Ryakuō era (of the Northern Court) (1338.8.28-1342.4.27);  Rekiō era
 books related to the calendar;  the calendar;  the almanac
 various information recorded in the almanac (as regards astronomy, astrology, etc.)
 abbreviated koyomi (Japanese traditional calendar);  koyomi presented in a smaller, easy to use, format
 Tenpo calendar;  Japan's last lunisolar calendar (in use from 1844 to 1872)
 reference koyomi;  main almanac
 calendar distributed by the Ise shrine
 former grand champion's 60th birthday ring-entering ceremony
 astronomical ephemeris;  ephemeris
 abbreviated koyomi (Japanese traditional calendar);  koyomi presented in a smaller, easy to use, format
 school year calendar;  calendar of school events and dates
 former grand champion's 60th birthday ring-entering ceremony
 change log;  record of updates;  update history;  what's new
 French Revolutionary Calendar;  French Republican Calendar
 study of the calendar;  way of the calendar