Now begins our 28 topic challenge!
Dates: 29 Feb - 22 Mar
The leap day is close again and won’t be for another 4 years. The Chinese New Year is even closer (8 Feb 2016).
Another world needs another calendar, but how different can and should it be?
Remember to use this tag if you're asking a question as part of the challenge.
In two weeks, we'll announce the stats for users who asked and answered questions using the tag. If you have questions, see the original post or ask in chat.
Propose new topics here: What should be the subjects of our fortnightly topic challenges?