The best replacement for calendar is fiscal year.

The best alternatives to calendar are rated as following:
★★★★★  fiscal year
★★★★  solar calendar
★★★★  ical
★★★  fiscal
★★★  google calendar
★★★  calender
★★  date java
★★  julian calendar
★★  outlook
★★  gregorian calendar
★★  rhythm method
★★  gregoriancalendar
★★  date
★  western calendar
★  google calendar android
★  yahoo calendar
★  fiscal year end
★  lunar calendar
★  fantastical
★  gregorian
★  mayan calendar
★  busycal
★  aztec calendar
★  schedule
★  march
★  tasks
★  calendar
★  civil calendar
★  to do list
★  planner
★  reminders
  modern day calendar
  american calendar
  2012
  mobileme
  christian calendar
  todo list
  2007
  traditional school calendar
  julian
  june
  calender spelling
  diary
  outlook calendar
  regular calendar
  august
  english calendar
  modern calendar
  calculator

Your alternative for calendar is not listed? Suggest!
Speaking about calendar, one probably shouldn't forget about moon phases.

Other search terms related to calendar and their ratings are:
★★★★★ moon phases
★★★ leap year
★★ exchange
★★ holidays 2013
★ holidays 2009
mobileme
appointments
You have in mind a companion for calendar and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of calendar in all years. Click on graph for more.
calendar
fiscal year
solar calendar